Home / 539,055,831.38-743,897,046.76-291,537,185.36

Finding the Fourth Proportional to 539,055,831.38, 743,897,046.76 and 291,537,185.36

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Solution

The fourth proportional to 539,055,831.38, 743,897,046.76 and 291,537,185.36 is: 402,321,315.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,055,831.38 : 743,897,046.76 = 291,537,185.36 : x
  2. Step 2: Convert to fraction form
    539,055,831.38/743,897,046.76 = 291,537,185.36/x
  3. Step 3: Cross multiply
    539,055,831.38x = 743,897,046.76 × 291,537,185.36
  4. Step 4: Simplify right side
    539,055,831.38x = 216,873,651,205,578,400
  5. Step 5: Solve for x
    x = 216,873,651,205,578,400/539,055,831.38
  6. Step 6: Final answer
    x = 402,321,315.50

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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.