Home / 1,011,268,622.52-1,516,902,933.78-284,257,334.52

Finding the Fourth Proportional to 1,011,268,622.52, 1,516,902,933.78 and 284,257,334.52

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Solution

The fourth proportional to 1,011,268,622.52, 1,516,902,933.78 and 284,257,334.52 is: 426,386,001.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,268,622.52 : 1,516,902,933.78 = 284,257,334.52 : x
  2. Step 2: Convert to fraction form
    1,011,268,622.52/1,516,902,933.78 = 284,257,334.52/x
  3. Step 3: Cross multiply
    1,011,268,622.52x = 1,516,902,933.78 × 284,257,334.52
  4. Step 4: Simplify right side
    1,011,268,622.52x = 431,190,784,681,870,848
  5. Step 5: Solve for x
    x = 431,190,784,681,870,848/1,011,268,622.52
  6. Step 6: Final answer
    x = 426,386,001.78

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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.