Home / 1,309,844,927.52-1,807,576,641.24-715,129,392.42

Finding the Fourth Proportional to 1,309,844,927.52, 1,807,576,641.24 and 715,129,392.42

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Solution

The fourth proportional to 1,309,844,927.52, 1,807,576,641.24 and 715,129,392.42 is: 986,873,452.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,844,927.52 : 1,807,576,641.24 = 715,129,392.42 : x
  2. Step 2: Convert to fraction form
    1,309,844,927.52/1,807,576,641.24 = 715,129,392.42/x
  3. Step 3: Cross multiply
    1,309,844,927.52x = 1,807,576,641.24 × 715,129,392.42
  4. Step 4: Simplify right side
    1,309,844,927.52x = 1,292,651,185,202,545,408
  5. Step 5: Solve for x
    x = 1,292,651,185,202,545,408/1,309,844,927.52
  6. Step 6: Final answer
    x = 986,873,452.00

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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.