Home / 539,055,838.89-743,897,057.10-291,537,192.87

Finding the Fourth Proportional to 539,055,838.89, 743,897,057.10 and 291,537,192.87

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Solution

The fourth proportional to 539,055,838.89, 743,897,057.10 and 291,537,192.87 is: 402,321,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,055,838.89 : 743,897,057.10 = 291,537,192.87 : x
  2. Step 2: Convert to fraction form
    539,055,838.89/743,897,057.10 = 291,537,192.87/x
  3. Step 3: Cross multiply
    539,055,838.89x = 743,897,057.10 × 291,537,192.87
  4. Step 4: Simplify right side
    539,055,838.89x = 216,873,659,811,188,128
  5. Step 5: Solve for x
    x = 216,873,659,811,188,128/539,055,838.89
  6. Step 6: Final answer
    x = 402,321,325.85

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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.