Home / 2,165,391,339.80-2,988,160,032.68-1,175,295,499.16

Finding the Fourth Proportional to 2,165,391,339.80, 2,988,160,032.68 and 1,175,295,499.16

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Solution

The fourth proportional to 2,165,391,339.80, 2,988,160,032.68 and 1,175,295,499.16 is: 1,621,864,358.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,391,339.80 : 2,988,160,032.68 = 1,175,295,499.16 : x
  2. Step 2: Convert to fraction form
    2,165,391,339.80/2,988,160,032.68 = 1,175,295,499.16/x
  3. Step 3: Cross multiply
    2,165,391,339.80x = 2,988,160,032.68 × 1,175,295,499.16
  4. Step 4: Simplify right side
    2,165,391,339.80x = 3,511,971,037,178,602,496
  5. Step 5: Solve for x
    x = 3,511,971,037,178,602,496/2,165,391,339.80
  6. Step 6: Final answer
    x = 1,621,864,358.94

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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.