Home / 438,811,436.71-605,559,636.92-240,568,675.16

Finding the Fourth Proportional to 438,811,436.71, 605,559,636.92 and 240,568,675.16

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Solution

The fourth proportional to 438,811,436.71, 605,559,636.92 and 240,568,675.16 is: 331,984,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,811,436.71 : 605,559,636.92 = 240,568,675.16 : x
  2. Step 2: Convert to fraction form
    438,811,436.71/605,559,636.92 = 240,568,675.16/x
  3. Step 3: Cross multiply
    438,811,436.71x = 605,559,636.92 × 240,568,675.16
  4. Step 4: Simplify right side
    438,811,436.71x = 145,678,679,584,215,008
  5. Step 5: Solve for x
    x = 145,678,679,584,215,008/438,811,436.71
  6. Step 6: Final answer
    x = 331,984,691.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.