Home / 960,337,213.86-1,324,859,543.28-642,899,726.13

Finding the Fourth Proportional to 960,337,213.86, 1,324,859,543.28 and 642,899,726.13

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Solution

The fourth proportional to 960,337,213.86, 1,324,859,543.28 and 642,899,726.13 is: 886,929,950.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,337,213.86 : 1,324,859,543.28 = 642,899,726.13 : x
  2. Step 2: Convert to fraction form
    960,337,213.86/1,324,859,543.28 = 642,899,726.13/x
  3. Step 3: Cross multiply
    960,337,213.86x = 1,324,859,543.28 × 642,899,726.13
  4. Step 4: Simplify right side
    960,337,213.86x = 851,751,837,535,428,864
  5. Step 5: Solve for x
    x = 851,751,837,535,428,864/960,337,213.86
  6. Step 6: Final answer
    x = 886,929,950.48

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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.