Home / 2,165,391,324.78-2,988,160,011.96-1,175,295,484.14

Finding the Fourth Proportional to 2,165,391,324.78, 2,988,160,011.96 and 1,175,295,484.14

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Solution

The fourth proportional to 2,165,391,324.78, 2,988,160,011.96 and 1,175,295,484.14 is: 1,621,864,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,391,324.78 : 2,988,160,011.96 = 1,175,295,484.14 : x
  2. Step 2: Convert to fraction form
    2,165,391,324.78/2,988,160,011.96 = 1,175,295,484.14/x
  3. Step 3: Cross multiply
    2,165,391,324.78x = 2,988,160,011.96 × 1,175,295,484.14
  4. Step 4: Simplify right side
    2,165,391,324.78x = 3,511,970,967,944,316,928
  5. Step 5: Solve for x
    x = 3,511,970,967,944,316,928/2,165,391,324.78
  6. Step 6: Final answer
    x = 1,621,864,338.22

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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.