Home / 434,565,023.40-651,847,535.10-386,947,909.80

Finding the Fourth Proportional to 434,565,023.40, 651,847,535.10 and 386,947,909.80

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Solution

The fourth proportional to 434,565,023.40, 651,847,535.10 and 386,947,909.80 is: 580,421,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,565,023.40 : 651,847,535.10 = 386,947,909.80 : x
  2. Step 2: Convert to fraction form
    434,565,023.40/651,847,535.10 = 386,947,909.80/x
  3. Step 3: Cross multiply
    434,565,023.40x = 651,847,535.10 × 386,947,909.80
  4. Step 4: Simplify right side
    434,565,023.40x = 252,231,041,215,227,136
  5. Step 5: Solve for x
    x = 252,231,041,215,227,136/434,565,023.40
  6. Step 6: Final answer
    x = 580,421,864.70

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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.