Home / 927,344,555.28-1,279,764,285.48-509,649,250.32

Finding the Fourth Proportional to 927,344,555.28, 1,279,764,285.48 and 509,649,250.32

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Solution

The fourth proportional to 927,344,555.28, 1,279,764,285.48 and 509,649,250.32 is: 703,331,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,344,555.28 : 1,279,764,285.48 = 509,649,250.32 : x
  2. Step 2: Convert to fraction form
    927,344,555.28/1,279,764,285.48 = 509,649,250.32/x
  3. Step 3: Cross multiply
    927,344,555.28x = 1,279,764,285.48 × 509,649,250.32
  4. Step 4: Simplify right side
    927,344,555.28x = 652,230,908,681,192,448
  5. Step 5: Solve for x
    x = 652,230,908,681,192,448/927,344,555.28
  6. Step 6: Final answer
    x = 703,331,792.88

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1.5x scale

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.