Home / 1,387,264,856.32-2,080,792,625.25-441,824,737.87

Finding the Fourth Proportional to 1,387,264,856.32, 2,080,792,625.25 and 441,824,737.87

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Solution

The fourth proportional to 1,387,264,856.32, 2,080,792,625.25 and 441,824,737.87 is: 662,703,774.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,264,856.32 : 2,080,792,625.25 = 441,824,737.87 : x
  2. Step 2: Convert to fraction form
    1,387,264,856.32/2,080,792,625.25 = 441,824,737.87/x
  3. Step 3: Cross multiply
    1,387,264,856.32x = 2,080,792,625.25 × 441,824,737.87
  4. Step 4: Simplify right side
    1,387,264,856.32x = 919,345,656,202,506,496
  5. Step 5: Solve for x
    x = 919,345,656,202,506,496/1,387,264,856.32
  6. Step 6: Final answer
    x = 662,703,774.28

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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.