Home / 2,102,128,079.26-2,899,569,863.90-1,348,247,155.06

Finding the Fourth Proportional to 2,102,128,079.26, 2,899,569,863.90 and 1,348,247,155.06

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Solution

The fourth proportional to 2,102,128,079.26, 2,899,569,863.90 and 1,348,247,155.06 is: 1,859,704,391.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,128,079.26 : 2,899,569,863.90 = 1,348,247,155.06 : x
  2. Step 2: Convert to fraction form
    2,102,128,079.26/2,899,569,863.90 = 1,348,247,155.06/x
  3. Step 3: Cross multiply
    2,102,128,079.26x = 2,899,569,863.90 × 1,348,247,155.06
  4. Step 4: Simplify right side
    2,102,128,079.26x = 3,909,336,819,892,733,952
  5. Step 5: Solve for x
    x = 3,909,336,819,892,733,952/2,102,128,079.26
  6. Step 6: Final answer
    x = 1,859,704,391.21

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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.