Home / 539,055,780.48-743,896,976.63-291,537,134.73

Finding the Fourth Proportional to 539,055,780.48, 743,896,976.63 and 291,537,134.73

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Solution

The fourth proportional to 539,055,780.48, 743,896,976.63 and 291,537,134.73 is: 402,321,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,055,780.48 : 743,896,976.63 = 291,537,134.73 : x
  2. Step 2: Convert to fraction form
    539,055,780.48/743,896,976.63 = 291,537,134.73/x
  3. Step 3: Cross multiply
    539,055,780.48x = 743,896,976.63 × 291,537,134.73
  4. Step 4: Simplify right side
    539,055,780.48x = 216,873,593,099,562,304
  5. Step 5: Solve for x
    x = 216,873,593,099,562,304/539,055,780.48
  6. Step 6: Final answer
    x = 402,321,245.69

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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.