Home / 898,151,000.30-1,347,226,500.45-438,384,113.90

Finding the Fourth Proportional to 898,151,000.30, 1,347,226,500.45 and 438,384,113.90

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Solution

The fourth proportional to 898,151,000.30, 1,347,226,500.45 and 438,384,113.90 is: 657,576,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,151,000.30 : 1,347,226,500.45 = 438,384,113.90 : x
  2. Step 2: Convert to fraction form
    898,151,000.30/1,347,226,500.45 = 438,384,113.90/x
  3. Step 3: Cross multiply
    898,151,000.30x = 1,347,226,500.45 × 438,384,113.90
  4. Step 4: Simplify right side
    898,151,000.30x = 590,602,695,622,371,200
  5. Step 5: Solve for x
    x = 590,602,695,622,371,200/898,151,000.30
  6. Step 6: Final answer
    x = 657,576,170.85

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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.