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Finding the Fourth Proportional to 898,151,531.90, 1,347,227,297.85 and 656,286,827.90

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Solution

The fourth proportional to 898,151,531.90, 1,347,227,297.85 and 656,286,827.90 is: 984,430,241.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,151,531.90 : 1,347,227,297.85 = 656,286,827.90 : x
  2. Step 2: Convert to fraction form
    898,151,531.90/1,347,227,297.85 = 656,286,827.90/x
  3. Step 3: Cross multiply
    898,151,531.90x = 1,347,227,297.85 × 656,286,827.90
  4. Step 4: Simplify right side
    898,151,531.90x = 884,167,529,766,264,832
  5. Step 5: Solve for x
    x = 884,167,529,766,264,832/898,151,531.90
  6. Step 6: Final answer
    x = 984,430,241.85

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1.5x scale

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.