Home / 284,462,677.60-426,694,016.40-212,799,061.60

Finding the Fourth Proportional to 284,462,677.60, 426,694,016.40 and 212,799,061.60

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Solution

The fourth proportional to 284,462,677.60, 426,694,016.40 and 212,799,061.60 is: 319,198,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,462,677.60 : 426,694,016.40 = 212,799,061.60 : x
  2. Step 2: Convert to fraction form
    284,462,677.60/426,694,016.40 = 212,799,061.60/x
  3. Step 3: Cross multiply
    284,462,677.60x = 426,694,016.40 × 212,799,061.60
  4. Step 4: Simplify right side
    284,462,677.60x = 90,800,086,280,255,008
  5. Step 5: Solve for x
    x = 90,800,086,280,255,008/284,462,677.60
  6. Step 6: Final answer
    x = 319,198,592.40

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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.