Home / 898,151,010.30-1,347,226,515.45-438,384,123.90

Finding the Fourth Proportional to 898,151,010.30, 1,347,226,515.45 and 438,384,123.90

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Solution

The fourth proportional to 898,151,010.30, 1,347,226,515.45 and 438,384,123.90 is: 657,576,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,151,010.30 : 1,347,226,515.45 = 438,384,123.90 : x
  2. Step 2: Convert to fraction form
    898,151,010.30/1,347,226,515.45 = 438,384,123.90/x
  3. Step 3: Cross multiply
    898,151,010.30x = 1,347,226,515.45 × 438,384,123.90
  4. Step 4: Simplify right side
    898,151,010.30x = 590,602,715,670,398,080
  5. Step 5: Solve for x
    x = 590,602,715,670,398,080/898,151,010.30
  6. Step 6: Final answer
    x = 657,576,185.85

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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.