Home / 486,625,828.20-730,009,601.10-159,021,976.20

Finding the Fourth Proportional to 486,625,828.20, 730,009,601.10 and 159,021,976.20

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Solution

The fourth proportional to 486,625,828.20, 730,009,601.10 and 159,021,976.20 is: 238,556,119.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,625,828.20 : 730,009,601.10 = 159,021,976.20 : x
  2. Step 2: Convert to fraction form
    486,625,828.20/730,009,601.10 = 159,021,976.20/x
  3. Step 3: Cross multiply
    486,625,828.20x = 730,009,601.10 × 159,021,976.20
  4. Step 4: Simplify right side
    486,625,828.20x = 116,087,569,411,895,696
  5. Step 5: Solve for x
    x = 116,087,569,411,895,696/486,625,828.20
  6. Step 6: Final answer
    x = 238,556,119.89

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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.