Home / 664,677,148.32-996,124,523.63-517,302,670.73

Finding the Fourth Proportional to 664,677,148.32, 996,124,523.63 and 517,302,670.73

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Solution

The fourth proportional to 664,677,148.32, 996,124,523.63 and 517,302,670.73 is: 775,260,406.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,677,148.32 : 996,124,523.63 = 517,302,670.73 : x
  2. Step 2: Convert to fraction form
    664,677,148.32/996,124,523.63 = 517,302,670.73/x
  3. Step 3: Cross multiply
    664,677,148.32x = 996,124,523.63 × 517,302,670.73
  4. Step 4: Simplify right side
    664,677,148.32x = 515,297,876,445,880,896
  5. Step 5: Solve for x
    x = 515,297,876,445,880,896/664,677,148.32
  6. Step 6: Final answer
    x = 775,260,406.87

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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.