Home / 763,396,442.16-1,053,572,394.76-462,147,737.33

Finding the Fourth Proportional to 763,396,442.16, 1,053,572,394.76 and 462,147,737.33

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Solution

The fourth proportional to 763,396,442.16, 1,053,572,394.76 and 462,147,737.33 is: 637,815,519.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,396,442.16 : 1,053,572,394.76 = 462,147,737.33 : x
  2. Step 2: Convert to fraction form
    763,396,442.16/1,053,572,394.76 = 462,147,737.33/x
  3. Step 3: Cross multiply
    763,396,442.16x = 1,053,572,394.76 × 462,147,737.33
  4. Step 4: Simplify right side
    763,396,442.16x = 486,906,098,357,872,128
  5. Step 5: Solve for x
    x = 486,906,098,357,872,128/763,396,442.16
  6. Step 6: Final answer
    x = 637,815,519.52

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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.