Home / 742,234,591.28-1,024,222,753.10-407,689,824.57

Finding the Fourth Proportional to 742,234,591.28, 1,024,222,753.10 and 407,689,824.57

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Solution

The fourth proportional to 742,234,591.28, 1,024,222,753.10 and 407,689,824.57 is: 562,578,461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,234,591.28 : 1,024,222,753.10 = 407,689,824.57 : x
  2. Step 2: Convert to fraction form
    742,234,591.28/1,024,222,753.10 = 407,689,824.57/x
  3. Step 3: Cross multiply
    742,234,591.28x = 1,024,222,753.10 × 407,689,824.57
  4. Step 4: Simplify right side
    742,234,591.28x = 417,565,194,529,902,976
  5. Step 5: Solve for x
    x = 417,565,194,529,902,976/742,234,591.28
  6. Step 6: Final answer
    x = 562,578,461.63

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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.