Home / 642,007,410,574.80-963,011,115,862.20-194,826,593,701.20

Finding the Fourth Proportional to 642,007,410,574.80, 963,011,115,862.20 and 194,826,593,701.20

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Solution

The fourth proportional to 642,007,410,574.80, 963,011,115,862.20 and 194,826,593,701.20 is: 292,239,890,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,007,410,574.80 : 963,011,115,862.20 = 194,826,593,701.20 : x
  2. Step 2: Convert to fraction form
    642,007,410,574.80/963,011,115,862.20 = 194,826,593,701.20/x
  3. Step 3: Cross multiply
    642,007,410,574.80x = 963,011,115,862.20 × 194,826,593,701.20
  4. Step 4: Simplify right side
    642,007,410,574.80x = 187,620,175,399,824,096,493,568
  5. Step 5: Solve for x
    x = 187,620,175,399,824,096,493,568/642,007,410,574.80
  6. Step 6: Final answer
    x = 292,239,890,551.80

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Double scale
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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.