Home / 306,406,001.81-422,970,753.72-205,992,675.11

Finding the Fourth Proportional to 306,406,001.81, 422,970,753.72 and 205,992,675.11

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Solution

The fourth proportional to 306,406,001.81, 422,970,753.72 and 205,992,675.11 is: 284,357,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,406,001.81 : 422,970,753.72 = 205,992,675.11 : x
  2. Step 2: Convert to fraction form
    306,406,001.81/422,970,753.72 = 205,992,675.11/x
  3. Step 3: Cross multiply
    306,406,001.81x = 422,970,753.72 × 205,992,675.11
  4. Step 4: Simplify right side
    306,406,001.81x = 87,128,877,053,905,680
  5. Step 5: Solve for x
    x = 87,128,877,053,905,680/306,406,001.81
  6. Step 6: Final answer
    x = 284,357,605.72

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