Home / 372,565,388.61-514,143,685.13-205,307,635.43

Finding the Fourth Proportional to 372,565,388.61, 514,143,685.13 and 205,307,635.43

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Solution

The fourth proportional to 372,565,388.61, 514,143,685.13 and 205,307,635.43 is: 283,326,437.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,565,388.61 : 514,143,685.13 = 205,307,635.43 : x
  2. Step 2: Convert to fraction form
    372,565,388.61/514,143,685.13 = 205,307,635.43/x
  3. Step 3: Cross multiply
    372,565,388.61x = 514,143,685.13 × 205,307,635.43
  4. Step 4: Simplify right side
    372,565,388.61x = 105,557,624,265,283,696
  5. Step 5: Solve for x
    x = 105,557,624,265,283,696/372,565,388.61
  6. Step 6: Final answer
    x = 283,326,437.44

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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.