Home / 1,543,953,641.22-2,130,672,480.93-839,105,659.62

Finding the Fourth Proportional to 1,543,953,641.22, 2,130,672,480.93 and 839,105,659.62

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Solution

The fourth proportional to 1,543,953,641.22, 2,130,672,480.93 and 839,105,659.62 is: 1,157,974,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,953,641.22 : 2,130,672,480.93 = 839,105,659.62 : x
  2. Step 2: Convert to fraction form
    1,543,953,641.22/2,130,672,480.93 = 839,105,659.62/x
  3. Step 3: Cross multiply
    1,543,953,641.22x = 2,130,672,480.93 × 839,105,659.62
  4. Step 4: Simplify right side
    1,543,953,641.22x = 1,787,859,337,544,949,504
  5. Step 5: Solve for x
    x = 1,787,859,337,544,949,504/1,543,953,641.22
  6. Step 6: Final answer
    x = 1,157,974,753.78

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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.