Home / 5,429,943,090.70-8,144,914,636.05-2,158,392,294.70

Finding the Fourth Proportional to 5,429,943,090.70, 8,144,914,636.05 and 2,158,392,294.70

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Solution

The fourth proportional to 5,429,943,090.70, 8,144,914,636.05 and 2,158,392,294.70 is: 3,237,588,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,943,090.70 : 8,144,914,636.05 = 2,158,392,294.70 : x
  2. Step 2: Convert to fraction form
    5,429,943,090.70/8,144,914,636.05 = 2,158,392,294.70/x
  3. Step 3: Cross multiply
    5,429,943,090.70x = 8,144,914,636.05 × 2,158,392,294.70
  4. Step 4: Simplify right side
    5,429,943,090.70x = 17,579,920,991,439,572,992
  5. Step 5: Solve for x
    x = 17,579,920,991,439,572,992/5,429,943,090.70
  6. Step 6: Final answer
    x = 3,237,588,442.05

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Find fourth proportional to 10,859,886,181.40, 16,289,829,272.10 and 4,316,784,589.40
Double scale
Find fourth proportional to 5,429,943,091.70, 8,144,914,637.55 and 2,158,392,295.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.