Home / 539,055,835.38-743,897,052.28-291,537,189.36

Finding the Fourth Proportional to 539,055,835.38, 743,897,052.28 and 291,537,189.36

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Solution

The fourth proportional to 539,055,835.38, 743,897,052.28 and 291,537,189.36 is: 402,321,321.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,055,835.38 : 743,897,052.28 = 291,537,189.36 : x
  2. Step 2: Convert to fraction form
    539,055,835.38/743,897,052.28 = 291,537,189.36/x
  3. Step 3: Cross multiply
    539,055,835.38x = 743,897,052.28 × 291,537,189.36
  4. Step 4: Simplify right side
    539,055,835.38x = 216,873,655,794,900,192
  5. Step 5: Solve for x
    x = 216,873,655,794,900,192/539,055,835.38
  6. Step 6: Final answer
    x = 402,321,321.02

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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.