Home / 290,720,781.60-435,857,658.12-150,510,933.84

Finding the Fourth Proportional to 290,720,781.60, 435,857,658.12 and 150,510,933.84

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Solution

The fourth proportional to 290,720,781.60, 435,857,658.12 and 150,510,933.84 is: 225,650,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,720,781.60 : 435,857,658.12 = 150,510,933.84 : x
  2. Step 2: Convert to fraction form
    290,720,781.60/435,857,658.12 = 150,510,933.84/x
  3. Step 3: Cross multiply
    290,720,781.60x = 435,857,658.12 × 150,510,933.84
  4. Step 4: Simplify right side
    290,720,781.60x = 65,601,343,144,956,664
  5. Step 5: Solve for x
    x = 65,601,343,144,956,664/290,720,781.60
  6. Step 6: Final answer
    x = 225,650,683.74

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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.