Home / 660,186,601.20-990,279,901.80-466,476,356.70

Finding the Fourth Proportional to 660,186,601.20, 990,279,901.80 and 466,476,356.70

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Solution

The fourth proportional to 660,186,601.20, 990,279,901.80 and 466,476,356.70 is: 699,714,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,186,601.20 : 990,279,901.80 = 466,476,356.70 : x
  2. Step 2: Convert to fraction form
    660,186,601.20/990,279,901.80 = 466,476,356.70/x
  3. Step 3: Cross multiply
    660,186,601.20x = 990,279,901.80 × 466,476,356.70
  4. Step 4: Simplify right side
    660,186,601.20x = 461,942,160,704,897,728
  5. Step 5: Solve for x
    x = 461,942,160,704,897,728/660,186,601.20
  6. Step 6: Final answer
    x = 699,714,535.05

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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.