Home / 479,260,312,238.74-661,400,020,861.08-265,404,202,310.74

Finding the Fourth Proportional to 479,260,312,238.74, 661,400,020,861.08 and 265,404,202,310.74

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Solution

The fourth proportional to 479,260,312,238.74, 661,400,020,861.08 and 265,404,202,310.74 is: 366,269,312,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,260,312,238.74 : 661,400,020,861.08 = 265,404,202,310.74 : x
  2. Step 2: Convert to fraction form
    479,260,312,238.74/661,400,020,861.08 = 265,404,202,310.74/x
  3. Step 3: Cross multiply
    479,260,312,238.74x = 661,400,020,861.08 × 265,404,202,310.74
  4. Step 4: Simplify right side
    479,260,312,238.74x = 175,538,344,944,941,723,025,408
  5. Step 5: Solve for x
    x = 175,538,344,944,941,723,025,408/479,260,312,238.74
  6. Step 6: Final answer
    x = 366,269,312,234.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.