Home / 10,347,307,331.10-15,520,960,996.65-2,986,558,172.70

Finding the Fourth Proportional to 10,347,307,331.10, 15,520,960,996.65 and 2,986,558,172.70

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Solution

The fourth proportional to 10,347,307,331.10, 15,520,960,996.65 and 2,986,558,172.70 is: 4,479,837,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347,307,331.10 : 15,520,960,996.65 = 2,986,558,172.70 : x
  2. Step 2: Convert to fraction form
    10,347,307,331.10/15,520,960,996.65 = 2,986,558,172.70/x
  3. Step 3: Cross multiply
    10,347,307,331.10x = 15,520,960,996.65 × 2,986,558,172.70
  4. Step 4: Simplify right side
    10,347,307,331.10x = 46,354,252,912,702,988,288
  5. Step 5: Solve for x
    x = 46,354,252,912,702,988,288/10,347,307,331.10
  6. Step 6: Final answer
    x = 4,479,837,259.05

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Double scale
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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.