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Finding the Fourth Proportional to 940,873,695.36, 1,298,406,768 and 523,177,012.80

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Solution

The fourth proportional to 940,873,695.36, 1,298,406,768 and 523,177,012.80 is: 721,984,871.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,873,695.36 : 1,298,406,768 = 523,177,012.80 : x
  2. Step 2: Convert to fraction form
    940,873,695.36/1,298,406,768 = 523,177,012.80/x
  3. Step 3: Cross multiply
    940,873,695.36x = 1,298,406,768 × 523,177,012.80
  4. Step 4: Simplify right side
    940,873,695.36x = 679,296,574,281,542,656
  5. Step 5: Solve for x
    x = 679,296,574,281,542,656/940,873,695.36
  6. Step 6: Final answer
    x = 721,984,871.75

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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.