Home / 408,149,604,410.80-612,224,406,616.20-172,597,947,098.80

Finding the Fourth Proportional to 408,149,604,410.80, 612,224,406,616.20 and 172,597,947,098.80

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Solution

The fourth proportional to 408,149,604,410.80, 612,224,406,616.20 and 172,597,947,098.80 is: 258,896,920,648.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,149,604,410.80 : 612,224,406,616.20 = 172,597,947,098.80 : x
  2. Step 2: Convert to fraction form
    408,149,604,410.80/612,224,406,616.20 = 172,597,947,098.80/x
  3. Step 3: Cross multiply
    408,149,604,410.80x = 612,224,406,616.20 × 172,597,947,098.80
  4. Step 4: Simplify right side
    408,149,604,410.80x = 105,668,675,745,737,085,026,304
  5. Step 5: Solve for x
    x = 105,668,675,745,737,085,026,304/408,149,604,410.80
  6. Step 6: Final answer
    x = 258,896,920,648.20

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1.5x scale

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.