Home / 453,271,915.08-680,026,690.29-142,366,972.65

Finding the Fourth Proportional to 453,271,915.08, 680,026,690.29 and 142,366,972.65

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Solution

The fourth proportional to 453,271,915.08, 680,026,690.29 and 142,366,972.65 is: 213,587,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,271,915.08 : 680,026,690.29 = 142,366,972.65 : x
  2. Step 2: Convert to fraction form
    453,271,915.08/680,026,690.29 = 142,366,972.65/x
  3. Step 3: Cross multiply
    453,271,915.08x = 680,026,690.29 × 142,366,972.65
  4. Step 4: Simplify right side
    453,271,915.08x = 96,813,341,217,786,448
  5. Step 5: Solve for x
    x = 96,813,341,217,786,448/453,271,915.08
  6. Step 6: Final answer
    x = 213,587,778.10

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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.