Home / 442,536,111.60-664,308,052.20-260,885,641.20

Finding the Fourth Proportional to 442,536,111.60, 664,308,052.20 and 260,885,641.20

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Solution

The fourth proportional to 442,536,111.60, 664,308,052.20 and 260,885,641.20 is: 391,625,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,536,111.60 : 664,308,052.20 = 260,885,641.20 : x
  2. Step 2: Convert to fraction form
    442,536,111.60/664,308,052.20 = 260,885,641.20/x
  3. Step 3: Cross multiply
    442,536,111.60x = 664,308,052.20 × 260,885,641.20
  4. Step 4: Simplify right side
    442,536,111.60x = 173,308,432,152,520,064
  5. Step 5: Solve for x
    x = 173,308,432,152,520,064/442,536,111.60
  6. Step 6: Final answer
    x = 391,625,513.96

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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.