Home / 2,165,331,520.12-2,988,159,709.26-1,175,257,141.24

Finding the Fourth Proportional to 2,165,331,520.12, 2,988,159,709.26 and 1,175,257,141.24

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Solution

The fourth proportional to 2,165,331,520.12, 2,988,159,709.26 and 1,175,257,141.24 is: 1,621,856,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,331,520.12 : 2,988,159,709.26 = 1,175,257,141.24 : x
  2. Step 2: Convert to fraction form
    2,165,331,520.12/2,988,159,709.26 = 1,175,257,141.24/x
  3. Step 3: Cross multiply
    2,165,331,520.12x = 2,988,159,709.26 × 1,175,257,141.24
  4. Step 4: Simplify right side
    2,165,331,520.12x = 3,511,856,037,473,457,664
  5. Step 5: Solve for x
    x = 3,511,856,037,473,457,664/2,165,331,520.12
  6. Step 6: Final answer
    x = 1,621,856,055.22

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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.