Home / 538,092,207.70-807,138,311.55-407,995,450.90

Finding the Fourth Proportional to 538,092,207.70, 807,138,311.55 and 407,995,450.90

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Solution

The fourth proportional to 538,092,207.70, 807,138,311.55 and 407,995,450.90 is: 611,993,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,092,207.70 : 807,138,311.55 = 407,995,450.90 : x
  2. Step 2: Convert to fraction form
    538,092,207.70/807,138,311.55 = 407,995,450.90/x
  3. Step 3: Cross multiply
    538,092,207.70x = 807,138,311.55 × 407,995,450.90
  4. Step 4: Simplify right side
    538,092,207.70x = 329,308,759,359,506,880
  5. Step 5: Solve for x
    x = 329,308,759,359,506,880/538,092,207.70
  6. Step 6: Final answer
    x = 611,993,176.35

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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.