Home / 419,981,526.20-630,002,559.86-161,196,746.84

Finding the Fourth Proportional to 419,981,526.20, 630,002,559.86 and 161,196,746.84

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Solution

The fourth proportional to 419,981,526.20, 630,002,559.86 and 161,196,746.84 is: 241,806,738.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,981,526.20 : 630,002,559.86 = 161,196,746.84 : x
  2. Step 2: Convert to fraction form
    419,981,526.20/630,002,559.86 = 161,196,746.84/x
  3. Step 3: Cross multiply
    419,981,526.20x = 630,002,559.86 × 161,196,746.84
  4. Step 4: Simplify right side
    419,981,526.20x = 101,554,363,150,304,368
  5. Step 5: Solve for x
    x = 101,554,363,150,304,368/419,981,526.20
  6. Step 6: Final answer
    x = 241,806,738.67

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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.