Home / 539,055,836.88-743,897,054.35-291,537,190.86

Finding the Fourth Proportional to 539,055,836.88, 743,897,054.35 and 291,537,190.86

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Solution

The fourth proportional to 539,055,836.88, 743,897,054.35 and 291,537,190.86 is: 402,321,323.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,055,836.88 : 743,897,054.35 = 291,537,190.86 : x
  2. Step 2: Convert to fraction form
    539,055,836.88/743,897,054.35 = 291,537,190.86/x
  3. Step 3: Cross multiply
    539,055,836.88x = 743,897,054.35 × 291,537,190.86
  4. Step 4: Simplify right side
    539,055,836.88x = 216,873,657,514,227,776
  5. Step 5: Solve for x
    x = 216,873,657,514,227,776/539,055,836.88
  6. Step 6: Final answer
    x = 402,321,323.09

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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.