Home / 272,153,600.80-408,230,401.20-260,816,192.80

Finding the Fourth Proportional to 272,153,600.80, 408,230,401.20 and 260,816,192.80

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Solution

The fourth proportional to 272,153,600.80, 408,230,401.20 and 260,816,192.80 is: 391,224,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,153,600.80 : 408,230,401.20 = 260,816,192.80 : x
  2. Step 2: Convert to fraction form
    272,153,600.80/408,230,401.20 = 260,816,192.80/x
  3. Step 3: Cross multiply
    272,153,600.80x = 408,230,401.20 × 260,816,192.80
  4. Step 4: Simplify right side
    272,153,600.80x = 106,473,099,026,200,560
  5. Step 5: Solve for x
    x = 106,473,099,026,200,560/272,153,600.80
  6. Step 6: Final answer
    x = 391,224,289.20

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1.5x scale

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.