Home / 393,437,487.33-590,158,478.21-163,406,572.16

Finding the Fourth Proportional to 393,437,487.33, 590,158,478.21 and 163,406,572.16

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Solution

The fourth proportional to 393,437,487.33, 590,158,478.21 and 163,406,572.16 is: 245,110,791.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,437,487.33 : 590,158,478.21 = 163,406,572.16 : x
  2. Step 2: Convert to fraction form
    393,437,487.33/590,158,478.21 = 163,406,572.16/x
  3. Step 3: Cross multiply
    393,437,487.33x = 590,158,478.21 × 163,406,572.16
  4. Step 4: Simplify right side
    393,437,487.33x = 96,435,773,951,690,336
  5. Step 5: Solve for x
    x = 96,435,773,951,690,336/393,437,487.33
  6. Step 6: Final answer
    x = 245,110,791.57

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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.