Home / 539,023,142.88-743,854,178.16-291,504,497.16

Finding the Fourth Proportional to 539,023,142.88, 743,854,178.16 and 291,504,497.16

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Solution

The fourth proportional to 539,023,142.88, 743,854,178.16 and 291,504,497.16 is: 402,277,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,023,142.88 : 743,854,178.16 = 291,504,497.16 : x
  2. Step 2: Convert to fraction form
    539,023,142.88/743,854,178.16 = 291,504,497.16/x
  3. Step 3: Cross multiply
    539,023,142.88x = 743,854,178.16 × 291,504,497.16
  4. Step 4: Simplify right side
    539,023,142.88x = 216,836,838,164,895,872
  5. Step 5: Solve for x
    x = 216,836,838,164,895,872/539,023,142.88
  6. Step 6: Final answer
    x = 402,277,418.01

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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.