Home / 726,307,140.24-1,001,132,982.72-491,272,087.32

Finding the Fourth Proportional to 726,307,140.24, 1,001,132,982.72 and 491,272,087.32

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Solution

The fourth proportional to 726,307,140.24, 1,001,132,982.72 and 491,272,087.32 is: 677,163,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,307,140.24 : 1,001,132,982.72 = 491,272,087.32 : x
  2. Step 2: Convert to fraction form
    726,307,140.24/1,001,132,982.72 = 491,272,087.32/x
  3. Step 3: Cross multiply
    726,307,140.24x = 1,001,132,982.72 × 491,272,087.32
  4. Step 4: Simplify right side
    726,307,140.24x = 491,828,690,105,751,872
  5. Step 5: Solve for x
    x = 491,828,690,105,751,872/726,307,140.24
  6. Step 6: Final answer
    x = 677,163,506.81

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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.