Home / 868,695,040,987.23-1,198,799,352,240-478,061,604,753.15

Finding the Fourth Proportional to 868,695,040,987.23, 1,198,799,352,240 and 478,061,604,753.15

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Solution

The fourth proportional to 868,695,040,987.23, 1,198,799,352,240 and 478,061,604,753.15 is: 659,725,122,244.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,695,040,987.23 : 1,198,799,352,240 = 478,061,604,753.15 : x
  2. Step 2: Convert to fraction form
    868,695,040,987.23/1,198,799,352,240 = 478,061,604,753.15/x
  3. Step 3: Cross multiply
    868,695,040,987.23x = 1,198,799,352,240 × 478,061,604,753.15
  4. Step 4: Simplify right side
    868,695,040,987.23x = 573,099,942,108,891,141,111,808
  5. Step 5: Solve for x
    x = 573,099,942,108,891,141,111,808/868,695,040,987.23
  6. Step 6: Final answer
    x = 659,725,122,244.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.