Home / 618,932,461,516.62-928,822,771,734.21-216,015,931,707.38

Finding the Fourth Proportional to 618,932,461,516.62, 928,822,771,734.21 and 216,015,931,707.38

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Solution

The fourth proportional to 618,932,461,516.62, 928,822,771,734.21 and 216,015,931,707.38 is: 324,171,907,118.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,932,461,516.62 : 928,822,771,734.21 = 216,015,931,707.38 : x
  2. Step 2: Convert to fraction form
    618,932,461,516.62/928,822,771,734.21 = 216,015,931,707.38/x
  3. Step 3: Cross multiply
    618,932,461,516.62x = 928,822,771,734.21 × 216,015,931,707.38
  4. Step 4: Simplify right side
    618,932,461,516.62x = 200,640,516,427,196,521,250,816
  5. Step 5: Solve for x
    x = 200,640,516,427,196,521,250,816/618,932,461,516.62
  6. Step 6: Final answer
    x = 324,171,907,118.19

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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.