Home / 354,964,906.80-532,447,360.20-240,303,121.20

Finding the Fourth Proportional to 354,964,906.80, 532,447,360.20 and 240,303,121.20

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Solution

The fourth proportional to 354,964,906.80, 532,447,360.20 and 240,303,121.20 is: 360,454,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,964,906.80 : 532,447,360.20 = 240,303,121.20 : x
  2. Step 2: Convert to fraction form
    354,964,906.80/532,447,360.20 = 240,303,121.20/x
  3. Step 3: Cross multiply
    354,964,906.80x = 532,447,360.20 × 240,303,121.20
  4. Step 4: Simplify right side
    354,964,906.80x = 127,948,762,530,760,640
  5. Step 5: Solve for x
    x = 127,948,762,530,760,640/354,964,906.80
  6. Step 6: Final answer
    x = 360,454,681.80

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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.