Home / 410,487,309.60-616,079,329.20-168,324,007.20

Finding the Fourth Proportional to 410,487,309.60, 616,079,329.20 and 168,324,007.20

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Solution

The fourth proportional to 410,487,309.60, 616,079,329.20 and 168,324,007.20 is: 252,628,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,487,309.60 : 616,079,329.20 = 168,324,007.20 : x
  2. Step 2: Convert to fraction form
    410,487,309.60/616,079,329.20 = 168,324,007.20/x
  3. Step 3: Cross multiply
    410,487,309.60x = 616,079,329.20 × 168,324,007.20
  4. Step 4: Simplify right side
    410,487,309.60x = 103,700,941,444,031,968
  5. Step 5: Solve for x
    x = 103,700,941,444,031,968/410,487,309.60
  6. Step 6: Final answer
    x = 252,628,860.91

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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.