Home / 402,431,119,008.78-603,582,707,169.05-133,797,755,458.35

Finding the Fourth Proportional to 402,431,119,008.78, 603,582,707,169.05 and 133,797,755,458.35

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Solution

The fourth proportional to 402,431,119,008.78, 603,582,707,169.05 and 133,797,755,458.35 is: 200,675,364,399.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,431,119,008.78 : 603,582,707,169.05 = 133,797,755,458.35 : x
  2. Step 2: Convert to fraction form
    402,431,119,008.78/603,582,707,169.05 = 133,797,755,458.35/x
  3. Step 3: Cross multiply
    402,431,119,008.78x = 603,582,707,169.05 × 133,797,755,458.35
  4. Step 4: Simplify right side
    402,431,119,008.78x = 80,758,011,452,693,434,859,520
  5. Step 5: Solve for x
    x = 80,758,011,452,693,434,859,520/402,431,119,008.78
  6. Step 6: Final answer
    x = 200,675,364,399.27

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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.