Home / 898,789,318,167.78-1,240,421,704,928.90-546,847,235,533.64

Finding the Fourth Proportional to 898,789,318,167.78, 1,240,421,704,928.90 and 546,847,235,533.64

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Solution

The fourth proportional to 898,789,318,167.78, 1,240,421,704,928.90 and 546,847,235,533.64 is: 754,705,431,545.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,789,318,167.78 : 1,240,421,704,928.90 = 546,847,235,533.64 : x
  2. Step 2: Convert to fraction form
    898,789,318,167.78/1,240,421,704,928.90 = 546,847,235,533.64/x
  3. Step 3: Cross multiply
    898,789,318,167.78x = 1,240,421,704,928.90 × 546,847,235,533.64
  4. Step 4: Simplify right side
    898,789,318,167.78x = 678,321,180,236,293,469,110,272
  5. Step 5: Solve for x
    x = 678,321,180,236,293,469,110,272/898,789,318,167.78
  6. Step 6: Final answer
    x = 754,705,431,545.49

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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.