Home / 442,172,490.03-662,909,260.55-220,730,179.95

Finding the Fourth Proportional to 442,172,490.03, 662,909,260.55 and 220,730,179.95

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Solution

The fourth proportional to 442,172,490.03, 662,909,260.55 and 220,730,179.95 is: 330,920,814.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,172,490.03 : 662,909,260.55 = 220,730,179.95 : x
  2. Step 2: Convert to fraction form
    442,172,490.03/662,909,260.55 = 220,730,179.95/x
  3. Step 3: Cross multiply
    442,172,490.03x = 662,909,260.55 × 220,730,179.95
  4. Step 4: Simplify right side
    442,172,490.03x = 146,324,080,370,619,264
  5. Step 5: Solve for x
    x = 146,324,080,370,619,264/442,172,490.03
  6. Step 6: Final answer
    x = 330,920,814.09

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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.