Home / 1,306,425,835.87-1,802,864,497.01-711,715,207.21

Finding the Fourth Proportional to 1,306,425,835.87, 1,802,864,497.01 and 711,715,207.21

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Solution

The fourth proportional to 1,306,425,835.87, 1,802,864,497.01 and 711,715,207.21 is: 982,165,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,425,835.87 : 1,802,864,497.01 = 711,715,207.21 : x
  2. Step 2: Convert to fraction form
    1,306,425,835.87/1,802,864,497.01 = 711,715,207.21/x
  3. Step 3: Cross multiply
    1,306,425,835.87x = 1,802,864,497.01 × 711,715,207.21
  4. Step 4: Simplify right side
    1,306,425,835.87x = 1,283,126,079,057,466,112
  5. Step 5: Solve for x
    x = 1,283,126,079,057,466,112/1,306,425,835.87
  6. Step 6: Final answer
    x = 982,165,266.35

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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.