Home / 1,347,520,113.40-2,021,280,170.10-657,071,966.20

Finding the Fourth Proportional to 1,347,520,113.40, 2,021,280,170.10 and 657,071,966.20

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Solution

The fourth proportional to 1,347,520,113.40, 2,021,280,170.10 and 657,071,966.20 is: 985,607,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,520,113.40 : 2,021,280,170.10 = 657,071,966.20 : x
  2. Step 2: Convert to fraction form
    1,347,520,113.40/2,021,280,170.10 = 657,071,966.20/x
  3. Step 3: Cross multiply
    1,347,520,113.40x = 2,021,280,170.10 × 657,071,966.20
  4. Step 4: Simplify right side
    1,347,520,113.40x = 1,328,126,535,608,677,376
  5. Step 5: Solve for x
    x = 1,328,126,535,608,677,376/1,347,520,113.40
  6. Step 6: Final answer
    x = 985,607,949.30

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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.