Home / 298,933,881.40-448,400,822.10-268,700,793.40

Finding the Fourth Proportional to 298,933,881.40, 448,400,822.10 and 268,700,793.40

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Solution

The fourth proportional to 298,933,881.40, 448,400,822.10 and 268,700,793.40 is: 403,051,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,933,881.40 : 448,400,822.10 = 268,700,793.40 : x
  2. Step 2: Convert to fraction form
    298,933,881.40/448,400,822.10 = 268,700,793.40/x
  3. Step 3: Cross multiply
    298,933,881.40x = 448,400,822.10 × 268,700,793.40
  4. Step 4: Simplify right side
    298,933,881.40x = 120,485,656,659,482,256
  5. Step 5: Solve for x
    x = 120,485,656,659,482,256/298,933,881.40
  6. Step 6: Final answer
    x = 403,051,190.10

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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.