Home / 900,334,463.54-1,242,434,874.69-498,466,122.87

Finding the Fourth Proportional to 900,334,463.54, 1,242,434,874.69 and 498,466,122.87

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Solution

The fourth proportional to 900,334,463.54, 1,242,434,874.69 and 498,466,122.87 is: 687,868,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,334,463.54 : 1,242,434,874.69 = 498,466,122.87 : x
  2. Step 2: Convert to fraction form
    900,334,463.54/1,242,434,874.69 = 498,466,122.87/x
  3. Step 3: Cross multiply
    900,334,463.54x = 1,242,434,874.69 × 498,466,122.87
  4. Step 4: Simplify right side
    900,334,463.54x = 619,311,694,905,198,592
  5. Step 5: Solve for x
    x = 619,311,694,905,198,592/900,334,463.54
  6. Step 6: Final answer
    x = 687,868,475.54

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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.