Home / 354,266,711,053.20-488,887,742,896.20-199,974,874,421.52

Finding the Fourth Proportional to 354,266,711,053.20, 488,887,742,896.20 and 199,974,874,421.52

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Solution

The fourth proportional to 354,266,711,053.20, 488,887,742,896.20 and 199,974,874,421.52 is: 275,965,146,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,266,711,053.20 : 488,887,742,896.20 = 199,974,874,421.52 : x
  2. Step 2: Convert to fraction form
    354,266,711,053.20/488,887,742,896.20 = 199,974,874,421.52/x
  3. Step 3: Cross multiply
    354,266,711,053.20x = 488,887,742,896.20 × 199,974,874,421.52
  4. Step 4: Simplify right side
    354,266,711,053.20x = 97,765,264,991,887,948,775,424
  5. Step 5: Solve for x
    x = 97,765,264,991,887,948,775,424/354,266,711,053.20
  6. Step 6: Final answer
    x = 275,965,146,996.85

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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.