Home / 545,073,143.40-817,609,715.10-502,983,016.20

Finding the Fourth Proportional to 545,073,143.40, 817,609,715.10 and 502,983,016.20

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Solution

The fourth proportional to 545,073,143.40, 817,609,715.10 and 502,983,016.20 is: 754,474,524.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,073,143.40 : 817,609,715.10 = 502,983,016.20 : x
  2. Step 2: Convert to fraction form
    545,073,143.40/817,609,715.10 = 502,983,016.20/x
  3. Step 3: Cross multiply
    545,073,143.40x = 817,609,715.10 × 502,983,016.20
  4. Step 4: Simplify right side
    545,073,143.40x = 411,243,800,575,420,672
  5. Step 5: Solve for x
    x = 411,243,800,575,420,672/545,073,143.40
  6. Step 6: Final answer
    x = 754,474,524.30

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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.