Home / 722,308,432.38-996,847,110.66-409,098,364.62

Finding the Fourth Proportional to 722,308,432.38, 996,847,110.66 and 409,098,364.62

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Solution

The fourth proportional to 722,308,432.38, 996,847,110.66 and 409,098,364.62 is: 564,590,560.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,308,432.38 : 996,847,110.66 = 409,098,364.62 : x
  2. Step 2: Convert to fraction form
    722,308,432.38/996,847,110.66 = 409,098,364.62/x
  3. Step 3: Cross multiply
    722,308,432.38x = 996,847,110.66 × 409,098,364.62
  4. Step 4: Simplify right side
    722,308,432.38x = 407,808,522,747,178,176
  5. Step 5: Solve for x
    x = 407,808,522,747,178,176/722,308,432.38
  6. Step 6: Final answer
    x = 564,590,560.58

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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.