Home / 763,454,448.72-1,053,581,069.10-424,394,762.64

Finding the Fourth Proportional to 763,454,448.72, 1,053,581,069.10 and 424,394,762.64

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Solution

The fourth proportional to 763,454,448.72, 1,053,581,069.10 and 424,394,762.64 is: 585,672,515.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,454,448.72 : 1,053,581,069.10 = 424,394,762.64 : x
  2. Step 2: Convert to fraction form
    763,454,448.72/1,053,581,069.10 = 424,394,762.64/x
  3. Step 3: Cross multiply
    763,454,448.72x = 1,053,581,069.10 × 424,394,762.64
  4. Step 4: Simplify right side
    763,454,448.72x = 447,134,287,742,691,904
  5. Step 5: Solve for x
    x = 447,134,287,742,691,904/763,454,448.72
  6. Step 6: Final answer
    x = 585,672,515.88

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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.