Home / 898,150,920.30-1,347,226,380.45-438,384,033.90

Finding the Fourth Proportional to 898,150,920.30, 1,347,226,380.45 and 438,384,033.90

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Solution

The fourth proportional to 898,150,920.30, 1,347,226,380.45 and 438,384,033.90 is: 657,576,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,150,920.30 : 1,347,226,380.45 = 438,384,033.90 : x
  2. Step 2: Convert to fraction form
    898,150,920.30/1,347,226,380.45 = 438,384,033.90/x
  3. Step 3: Cross multiply
    898,150,920.30x = 1,347,226,380.45 × 438,384,033.90
  4. Step 4: Simplify right side
    898,150,920.30x = 590,602,535,238,167,040
  5. Step 5: Solve for x
    x = 590,602,535,238,167,040/898,150,920.30
  6. Step 6: Final answer
    x = 657,576,050.85

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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.