Home / 3,913,003,381.59-5,399,987,484.60-2,128,866,977.43

Finding the Fourth Proportional to 3,913,003,381.59, 5,399,987,484.60 and 2,128,866,977.43

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Solution

The fourth proportional to 3,913,003,381.59, 5,399,987,484.60 and 2,128,866,977.43 is: 2,937,859,723.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,003,381.59 : 5,399,987,484.60 = 2,128,866,977.43 : x
  2. Step 2: Convert to fraction form
    3,913,003,381.59/5,399,987,484.60 = 2,128,866,977.43/x
  3. Step 3: Cross multiply
    3,913,003,381.59x = 5,399,987,484.60 × 2,128,866,977.43
  4. Step 4: Simplify right side
    3,913,003,381.59x = 11,495,855,034,500,231,168
  5. Step 5: Solve for x
    x = 11,495,855,034,500,231,168/3,913,003,381.59
  6. Step 6: Final answer
    x = 2,937,859,723.96

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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.