Home / 1,090,073,981.40-1,635,488,885.70-477,098,122.20

Finding the Fourth Proportional to 1,090,073,981.40, 1,635,488,885.70 and 477,098,122.20

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Solution

The fourth proportional to 1,090,073,981.40, 1,635,488,885.70 and 477,098,122.20 is: 715,812,586.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,073,981.40 : 1,635,488,885.70 = 477,098,122.20 : x
  2. Step 2: Convert to fraction form
    1,090,073,981.40/1,635,488,885.70 = 477,098,122.20/x
  3. Step 3: Cross multiply
    1,090,073,981.40x = 1,635,488,885.70 × 477,098,122.20
  4. Step 4: Simplify right side
    1,090,073,981.40x = 780,288,676,246,440,448
  5. Step 5: Solve for x
    x = 780,288,676,246,440,448/1,090,073,981.40
  6. Step 6: Final answer
    x = 715,812,586.63

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Double scale
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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.