Home / 5,429,943,079.20-8,144,914,618.80-2,158,392,283.20

Finding the Fourth Proportional to 5,429,943,079.20, 8,144,914,618.80 and 2,158,392,283.20

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Solution

The fourth proportional to 5,429,943,079.20, 8,144,914,618.80 and 2,158,392,283.20 is: 3,237,588,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,943,079.20 : 8,144,914,618.80 = 2,158,392,283.20 : x
  2. Step 2: Convert to fraction form
    5,429,943,079.20/8,144,914,618.80 = 2,158,392,283.20/x
  3. Step 3: Cross multiply
    5,429,943,079.20x = 8,144,914,618.80 × 2,158,392,283.20
  4. Step 4: Simplify right side
    5,429,943,079.20x = 17,579,920,860,540,788,736
  5. Step 5: Solve for x
    x = 17,579,920,860,540,788,736/5,429,943,079.20
  6. Step 6: Final answer
    x = 3,237,588,424.80

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Double scale
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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.