Home / 2,988,142,755.70-4,482,214,133.55-917,861,196.10

Finding the Fourth Proportional to 2,988,142,755.70, 4,482,214,133.55 and 917,861,196.10

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Solution

The fourth proportional to 2,988,142,755.70, 4,482,214,133.55 and 917,861,196.10 is: 1,376,791,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,142,755.70 : 4,482,214,133.55 = 917,861,196.10 : x
  2. Step 2: Convert to fraction form
    2,988,142,755.70/4,482,214,133.55 = 917,861,196.10/x
  3. Step 3: Cross multiply
    2,988,142,755.70x = 4,482,214,133.55 × 917,861,196.10
  4. Step 4: Simplify right side
    2,988,142,755.70x = 4,114,050,425,796,528,640
  5. Step 5: Solve for x
    x = 4,114,050,425,796,528,640/2,988,142,755.70
  6. Step 6: Final answer
    x = 1,376,791,794.15

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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.