Home / 872,792,184.80-1,204,481,390.28-496,439,101.28

Finding the Fourth Proportional to 872,792,184.80, 1,204,481,390.28 and 496,439,101.28

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Solution

The fourth proportional to 872,792,184.80, 1,204,481,390.28 and 496,439,101.28 is: 685,101,985.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,792,184.80 : 1,204,481,390.28 = 496,439,101.28 : x
  2. Step 2: Convert to fraction form
    872,792,184.80/1,204,481,390.28 = 496,439,101.28/x
  3. Step 3: Cross multiply
    872,792,184.80x = 1,204,481,390.28 × 496,439,101.28
  4. Step 4: Simplify right side
    872,792,184.80x = 597,951,658,899,088,128
  5. Step 5: Solve for x
    x = 597,951,658,899,088,128/872,792,184.80
  6. Step 6: Final answer
    x = 685,101,985.69

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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.