Home / 391,155,192.62-539,798,462.43-214,943,233.58

Finding the Fourth Proportional to 391,155,192.62, 539,798,462.43 and 214,943,233.58

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Solution

The fourth proportional to 391,155,192.62, 539,798,462.43 and 214,943,233.58 is: 296,624,023.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,155,192.62 : 539,798,462.43 = 214,943,233.58 : x
  2. Step 2: Convert to fraction form
    391,155,192.62/539,798,462.43 = 214,943,233.58/x
  3. Step 3: Cross multiply
    391,155,192.62x = 539,798,462.43 × 214,943,233.58
  4. Step 4: Simplify right side
    391,155,192.62x = 116,026,026,996,216,336
  5. Step 5: Solve for x
    x = 116,026,026,996,216,336/391,155,192.62
  6. Step 6: Final answer
    x = 296,624,023.37

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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.