Home / 442,846,988.55-664,270,482.83-417,764,722.95

Finding the Fourth Proportional to 442,846,988.55, 664,270,482.83 and 417,764,722.95

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Solution

The fourth proportional to 442,846,988.55, 664,270,482.83 and 417,764,722.95 is: 626,647,084.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,846,988.55 : 664,270,482.83 = 417,764,722.95 : x
  2. Step 2: Convert to fraction form
    442,846,988.55/664,270,482.83 = 417,764,722.95/x
  3. Step 3: Cross multiply
    442,846,988.55x = 664,270,482.83 × 417,764,722.95
  4. Step 4: Simplify right side
    442,846,988.55x = 277,508,774,221,248,864
  5. Step 5: Solve for x
    x = 277,508,774,221,248,864/442,846,988.55
  6. Step 6: Final answer
    x = 626,647,084.43

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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.