Home / 1,253,207,456.80-1,729,472,963.47-751,497,923.54

Finding the Fourth Proportional to 1,253,207,456.80, 1,729,472,963.47 and 751,497,923.54

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Solution

The fourth proportional to 1,253,207,456.80, 1,729,472,963.47 and 751,497,923.54 is: 1,037,095,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,207,456.80 : 1,729,472,963.47 = 751,497,923.54 : x
  2. Step 2: Convert to fraction form
    1,253,207,456.80/1,729,472,963.47 = 751,497,923.54/x
  3. Step 3: Cross multiply
    1,253,207,456.80x = 1,729,472,963.47 × 751,497,923.54
  4. Step 4: Simplify right side
    1,253,207,456.80x = 1,299,695,340,868,720,128
  5. Step 5: Solve for x
    x = 1,299,695,340,868,720,128/1,253,207,456.80
  6. Step 6: Final answer
    x = 1,037,095,122.45

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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.