Home / 498,655,080.63-688,144,159.44-272,595,046.73

Finding the Fourth Proportional to 498,655,080.63, 688,144,159.44 and 272,595,046.73

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Solution

The fourth proportional to 498,655,080.63, 688,144,159.44 and 272,595,046.73 is: 376,181,245.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,655,080.63 : 688,144,159.44 = 272,595,046.73 : x
  2. Step 2: Convert to fraction form
    498,655,080.63/688,144,159.44 = 272,595,046.73/x
  3. Step 3: Cross multiply
    498,655,080.63x = 688,144,159.44 × 272,595,046.73
  4. Step 4: Simplify right side
    498,655,080.63x = 187,584,689,296,082,688
  5. Step 5: Solve for x
    x = 187,584,689,296,082,688/498,655,080.63
  6. Step 6: Final answer
    x = 376,181,245.48

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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.