Home / 268,904,846.60-403,357,269.90-257,110,209.80

Finding the Fourth Proportional to 268,904,846.60, 403,357,269.90 and 257,110,209.80

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Solution

The fourth proportional to 268,904,846.60, 403,357,269.90 and 257,110,209.80 is: 385,665,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,904,846.60 : 403,357,269.90 = 257,110,209.80 : x
  2. Step 2: Convert to fraction form
    268,904,846.60/403,357,269.90 = 257,110,209.80/x
  3. Step 3: Cross multiply
    268,904,846.60x = 403,357,269.90 × 257,110,209.80
  4. Step 4: Simplify right side
    268,904,846.60x = 103,707,272,288,344,224
  5. Step 5: Solve for x
    x = 103,707,272,288,344,224/268,904,846.60
  6. Step 6: Final answer
    x = 385,665,314.70

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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.