Home / 1,120,198,793.90-1,680,298,190.85-473,882,557.10

Finding the Fourth Proportional to 1,120,198,793.90, 1,680,298,190.85 and 473,882,557.10

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Solution

The fourth proportional to 1,120,198,793.90, 1,680,298,190.85 and 473,882,557.10 is: 710,823,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,198,793.90 : 1,680,298,190.85 = 473,882,557.10 : x
  2. Step 2: Convert to fraction form
    1,120,198,793.90/1,680,298,190.85 = 473,882,557.10/x
  3. Step 3: Cross multiply
    1,120,198,793.90x = 1,680,298,190.85 × 473,882,557.10
  4. Step 4: Simplify right side
    1,120,198,793.90x = 796,264,003,370,501,760
  5. Step 5: Solve for x
    x = 796,264,003,370,501,760/1,120,198,793.90
  6. Step 6: Final answer
    x = 710,823,835.65

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Double scale
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Similar ratio
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1.5x scale

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.