Home / 434,484,672.60-651,727,008.90-431,461,363.80

Finding the Fourth Proportional to 434,484,672.60, 651,727,008.90 and 431,461,363.80

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Solution

The fourth proportional to 434,484,672.60, 651,727,008.90 and 431,461,363.80 is: 647,192,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,484,672.60 : 651,727,008.90 = 431,461,363.80 : x
  2. Step 2: Convert to fraction form
    434,484,672.60/651,727,008.90 = 431,461,363.80/x
  3. Step 3: Cross multiply
    434,484,672.60x = 651,727,008.90 × 431,461,363.80
  4. Step 4: Simplify right side
    434,484,672.60x = 281,195,024,085,288,736
  5. Step 5: Solve for x
    x = 281,195,024,085,288,736/434,484,672.60
  6. Step 6: Final answer
    x = 647,192,045.70

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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.