Home / 410,213,166.45-615,417,639.38-133,864,894.80

Finding the Fourth Proportional to 410,213,166.45, 615,417,639.38 and 133,864,894.80

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Solution

The fourth proportional to 410,213,166.45, 615,417,639.38 and 133,864,894.80 is: 200,829,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,213,166.45 : 615,417,639.38 = 133,864,894.80 : x
  2. Step 2: Convert to fraction form
    410,213,166.45/615,417,639.38 = 133,864,894.80/x
  3. Step 3: Cross multiply
    410,213,166.45x = 615,417,639.38 × 133,864,894.80
  4. Step 4: Simplify right side
    410,213,166.45x = 82,382,817,550,690,896
  5. Step 5: Solve for x
    x = 82,382,817,550,690,896/410,213,166.45
  6. Step 6: Final answer
    x = 200,829,286.55

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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.