Home / 727,508,682.32-1,092,039,860.28-313,190,572.88

Finding the Fourth Proportional to 727,508,682.32, 1,092,039,860.28 and 313,190,572.88

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Solution

The fourth proportional to 727,508,682.32, 1,092,039,860.28 and 313,190,572.88 is: 470,120,285.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,508,682.32 : 1,092,039,860.28 = 313,190,572.88 : x
  2. Step 2: Convert to fraction form
    727,508,682.32/1,092,039,860.28 = 313,190,572.88/x
  3. Step 3: Cross multiply
    727,508,682.32x = 1,092,039,860.28 × 313,190,572.88
  4. Step 4: Simplify right side
    727,508,682.32x = 342,016,589,448,888,320
  5. Step 5: Solve for x
    x = 342,016,589,448,888,320/727,508,682.32
  6. Step 6: Final answer
    x = 470,120,285.52

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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.