Home / 1,520,147,257.40-2,280,220,886.10-935,987,310.20

Finding the Fourth Proportional to 1,520,147,257.40, 2,280,220,886.10 and 935,987,310.20

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Solution

The fourth proportional to 1,520,147,257.40, 2,280,220,886.10 and 935,987,310.20 is: 1,403,980,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,147,257.40 : 2,280,220,886.10 = 935,987,310.20 : x
  2. Step 2: Convert to fraction form
    1,520,147,257.40/2,280,220,886.10 = 935,987,310.20/x
  3. Step 3: Cross multiply
    1,520,147,257.40x = 2,280,220,886.10 × 935,987,310.20
  4. Step 4: Simplify right side
    1,520,147,257.40x = 2,134,257,813,842,599,680
  5. Step 5: Solve for x
    x = 2,134,257,813,842,599,680/1,520,147,257.40
  6. Step 6: Final answer
    x = 1,403,980,965.30

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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.