Home / 272,153,512.80-408,230,269.20-260,816,104.80

Finding the Fourth Proportional to 272,153,512.80, 408,230,269.20 and 260,816,104.80

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Solution

The fourth proportional to 272,153,512.80, 408,230,269.20 and 260,816,104.80 is: 391,224,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,153,512.80 : 408,230,269.20 = 260,816,104.80 : x
  2. Step 2: Convert to fraction form
    272,153,512.80/408,230,269.20 = 260,816,104.80/x
  3. Step 3: Cross multiply
    272,153,512.80x = 408,230,269.20 × 260,816,104.80
  4. Step 4: Simplify right side
    272,153,512.80x = 106,473,028,674,199,408
  5. Step 5: Solve for x
    x = 106,473,028,674,199,408/272,153,512.80
  6. Step 6: Final answer
    x = 391,224,157.20

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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.