Home / 792,616,687.20-1,185,098,655.60-585,992,426.40

Finding the Fourth Proportional to 792,616,687.20, 1,185,098,655.60 and 585,992,426.40

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Solution

The fourth proportional to 792,616,687.20, 1,185,098,655.60 and 585,992,426.40 is: 876,159,747.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,616,687.20 : 1,185,098,655.60 = 585,992,426.40 : x
  2. Step 2: Convert to fraction form
    792,616,687.20/1,185,098,655.60 = 585,992,426.40/x
  3. Step 3: Cross multiply
    792,616,687.20x = 1,185,098,655.60 × 585,992,426.40
  4. Step 4: Simplify right side
    792,616,687.20x = 694,458,836,718,421,888
  5. Step 5: Solve for x
    x = 694,458,836,718,421,888/792,616,687.20
  6. Step 6: Final answer
    x = 876,159,747.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.