Home / 328,084,217.40-492,126,326.10-303,141,919.80

Finding the Fourth Proportional to 328,084,217.40, 492,126,326.10 and 303,141,919.80

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Solution

The fourth proportional to 328,084,217.40, 492,126,326.10 and 303,141,919.80 is: 454,712,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,084,217.40 : 492,126,326.10 = 303,141,919.80 : x
  2. Step 2: Convert to fraction form
    328,084,217.40/492,126,326.10 = 303,141,919.80/x
  3. Step 3: Cross multiply
    328,084,217.40x = 492,126,326.10 × 303,141,919.80
  4. Step 4: Simplify right side
    328,084,217.40x = 149,184,119,278,074,848
  5. Step 5: Solve for x
    x = 149,184,119,278,074,848/328,084,217.40
  6. Step 6: Final answer
    x = 454,712,879.70

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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.