Home / 409,688,104.10-614,532,156.15-402,885,659.30

Finding the Fourth Proportional to 409,688,104.10, 614,532,156.15 and 402,885,659.30

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Solution

The fourth proportional to 409,688,104.10, 614,532,156.15 and 402,885,659.30 is: 604,328,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,688,104.10 : 614,532,156.15 = 402,885,659.30 : x
  2. Step 2: Convert to fraction form
    409,688,104.10/614,532,156.15 = 402,885,659.30/x
  3. Step 3: Cross multiply
    409,688,104.10x = 614,532,156.15 × 402,885,659.30
  4. Step 4: Simplify right side
    409,688,104.10x = 247,586,192,891,543,296
  5. Step 5: Solve for x
    x = 247,586,192,891,543,296/409,688,104.10
  6. Step 6: Final answer
    x = 604,328,488.95

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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.