Home / 352,896,897.78-487,011,155.22-196,275,330.18

Finding the Fourth Proportional to 352,896,897.78, 487,011,155.22 and 196,275,330.18

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Solution

The fourth proportional to 352,896,897.78, 487,011,155.22 and 196,275,330.18 is: 270,867,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,896,897.78 : 487,011,155.22 = 196,275,330.18 : x
  2. Step 2: Convert to fraction form
    352,896,897.78/487,011,155.22 = 196,275,330.18/x
  3. Step 3: Cross multiply
    352,896,897.78x = 487,011,155.22 × 196,275,330.18
  4. Step 4: Simplify right side
    352,896,897.78x = 95,588,275,292,148,736
  5. Step 5: Solve for x
    x = 95,588,275,292,148,736/352,896,897.78
  6. Step 6: Final answer
    x = 270,867,428.68

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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.