Home / 453,433,718.80-680,205,787.80-162,331,382.80

Finding the Fourth Proportional to 453,433,718.80, 680,205,787.80 and 162,331,382.80

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Solution

The fourth proportional to 453,433,718.80, 680,205,787.80 and 162,331,382.80 is: 243,516,839.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,433,718.80 : 680,205,787.80 = 162,331,382.80 : x
  2. Step 2: Convert to fraction form
    453,433,718.80/680,205,787.80 = 162,331,382.80/x
  3. Step 3: Cross multiply
    453,433,718.80x = 680,205,787.80 × 162,331,382.80
  4. Step 4: Simplify right side
    453,433,718.80x = 110,418,746,122,137,376
  5. Step 5: Solve for x
    x = 110,418,746,122,137,376/453,433,718.80
  6. Step 6: Final answer
    x = 243,516,839.49

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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.