Home / 1,350,857,345.33-1,864,202,172.20-778,323,974.75

Finding the Fourth Proportional to 1,350,857,345.33, 1,864,202,172.20 and 778,323,974.75

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Solution

The fourth proportional to 1,350,857,345.33, 1,864,202,172.20 and 778,323,974.75 is: 1,074,098,052.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,857,345.33 : 1,864,202,172.20 = 778,323,974.75 : x
  2. Step 2: Convert to fraction form
    1,350,857,345.33/1,864,202,172.20 = 778,323,974.75/x
  3. Step 3: Cross multiply
    1,350,857,345.33x = 1,864,202,172.20 × 778,323,974.75
  4. Step 4: Simplify right side
    1,350,857,345.33x = 1,450,953,244,401,023,744
  5. Step 5: Solve for x
    x = 1,450,953,244,401,023,744/1,350,857,345.33
  6. Step 6: Final answer
    x = 1,074,098,052.92

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.