Home / 329,177,479.34-493,875,982.14-218,947,711.52

Finding the Fourth Proportional to 329,177,479.34, 493,875,982.14 and 218,947,711.52

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Solution

The fourth proportional to 329,177,479.34, 493,875,982.14 and 218,947,711.52 is: 328,494,574.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,177,479.34 : 493,875,982.14 = 218,947,711.52 : x
  2. Step 2: Convert to fraction form
    329,177,479.34/493,875,982.14 = 218,947,711.52/x
  3. Step 3: Cross multiply
    329,177,479.34x = 493,875,982.14 × 218,947,711.52
  4. Step 4: Simplify right side
    329,177,479.34x = 108,133,016,064,245,392
  5. Step 5: Solve for x
    x = 108,133,016,064,245,392/329,177,479.34
  6. Step 6: Final answer
    x = 328,494,574.66

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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.