Home / 442,463,670.60-663,695,505.90-238,390,326.60

Finding the Fourth Proportional to 442,463,670.60, 663,695,505.90 and 238,390,326.60

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Solution

The fourth proportional to 442,463,670.60, 663,695,505.90 and 238,390,326.60 is: 357,585,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,463,670.60 : 663,695,505.90 = 238,390,326.60 : x
  2. Step 2: Convert to fraction form
    442,463,670.60/663,695,505.90 = 238,390,326.60/x
  3. Step 3: Cross multiply
    442,463,670.60x = 663,695,505.90 × 238,390,326.60
  4. Step 4: Simplify right side
    442,463,670.60x = 158,218,588,414,453,216
  5. Step 5: Solve for x
    x = 158,218,588,414,453,216/442,463,670.60
  6. Step 6: Final answer
    x = 357,585,489.90

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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.