Home / 1,387,264,856.07-2,080,792,624.88-441,824,737.61

Finding the Fourth Proportional to 1,387,264,856.07, 2,080,792,624.88 and 441,824,737.61

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Solution

The fourth proportional to 1,387,264,856.07, 2,080,792,624.88 and 441,824,737.61 is: 662,703,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,264,856.07 : 2,080,792,624.88 = 441,824,737.61 : x
  2. Step 2: Convert to fraction form
    1,387,264,856.07/2,080,792,624.88 = 441,824,737.61/x
  3. Step 3: Cross multiply
    1,387,264,856.07x = 2,080,792,624.88 × 441,824,737.61
  4. Step 4: Simplify right side
    1,387,264,856.07x = 919,345,655,515,313,024
  5. Step 5: Solve for x
    x = 919,345,655,515,313,024/1,387,264,856.07
  6. Step 6: Final answer
    x = 662,703,773.90

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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.