Home / 664,303,356.15-996,455,034.23-660,476,980.95

Finding the Fourth Proportional to 664,303,356.15, 996,455,034.23 and 660,476,980.95

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Solution

The fourth proportional to 664,303,356.15, 996,455,034.23 and 660,476,980.95 is: 990,715,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,303,356.15 : 996,455,034.23 = 660,476,980.95 : x
  2. Step 2: Convert to fraction form
    664,303,356.15/996,455,034.23 = 660,476,980.95/x
  3. Step 3: Cross multiply
    664,303,356.15x = 996,455,034.23 × 660,476,980.95
  4. Step 4: Simplify right side
    664,303,356.15x = 658,135,612,657,356,928
  5. Step 5: Solve for x
    x = 658,135,612,657,356,928/664,303,356.15
  6. Step 6: Final answer
    x = 990,715,471.43

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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.