Home / 372,916,042.71-558,289,919.57-216,994,650.45

Finding the Fourth Proportional to 372,916,042.71, 558,289,919.57 and 216,994,650.45

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Solution

The fourth proportional to 372,916,042.71, 558,289,919.57 and 216,994,650.45 is: 324,861,127.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,916,042.71 : 558,289,919.57 = 216,994,650.45 : x
  2. Step 2: Convert to fraction form
    372,916,042.71/558,289,919.57 = 216,994,650.45/x
  3. Step 3: Cross multiply
    372,916,042.71x = 558,289,919.57 × 216,994,650.45
  4. Step 4: Simplify right side
    372,916,042.71x = 121,145,925,945,765,792
  5. Step 5: Solve for x
    x = 121,145,925,945,765,792/372,916,042.71
  6. Step 6: Final answer
    x = 324,861,127.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.