Home / 898,789,318,165.78-1,240,421,704,926.10-546,847,235,531.64

Finding the Fourth Proportional to 898,789,318,165.78, 1,240,421,704,926.10 and 546,847,235,531.64

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Solution

The fourth proportional to 898,789,318,165.78, 1,240,421,704,926.10 and 546,847,235,531.64 is: 754,705,431,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,789,318,165.78 : 1,240,421,704,926.10 = 546,847,235,531.64 : x
  2. Step 2: Convert to fraction form
    898,789,318,165.78/1,240,421,704,926.10 = 546,847,235,531.64/x
  3. Step 3: Cross multiply
    898,789,318,165.78x = 1,240,421,704,926.10 × 546,847,235,531.64
  4. Step 4: Simplify right side
    898,789,318,165.78x = 678,321,180,232,281,567,002,624
  5. Step 5: Solve for x
    x = 678,321,180,232,281,567,002,624/898,789,318,165.78
  6. Step 6: Final answer
    x = 754,705,431,542.71

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Double scale
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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.