Home / 442,904,942.43-664,357,646.93-115,379,589.15

Finding the Fourth Proportional to 442,904,942.43, 664,357,646.93 and 115,379,589.15

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Solution

The fourth proportional to 442,904,942.43, 664,357,646.93 and 115,379,589.15 is: 173,069,444.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,904,942.43 : 664,357,646.93 = 115,379,589.15 : x
  2. Step 2: Convert to fraction form
    442,904,942.43/664,357,646.93 = 115,379,589.15/x
  3. Step 3: Cross multiply
    442,904,942.43x = 664,357,646.93 × 115,379,589.15
  4. Step 4: Simplify right side
    442,904,942.43x = 76,653,312,350,867,264
  5. Step 5: Solve for x
    x = 76,653,312,350,867,264/442,904,942.43
  6. Step 6: Final answer
    x = 173,069,444.50

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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.