Home / 3,116,734,194.80-4,301,097,381.06-1,687,807,793.72

Finding the Fourth Proportional to 3,116,734,194.80, 4,301,097,381.06 and 1,687,807,793.72

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Solution

The fourth proportional to 3,116,734,194.80, 4,301,097,381.06 and 1,687,807,793.72 is: 2,329,177,025.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,734,194.80 : 4,301,097,381.06 = 1,687,807,793.72 : x
  2. Step 2: Convert to fraction form
    3,116,734,194.80/4,301,097,381.06 = 1,687,807,793.72/x
  3. Step 3: Cross multiply
    3,116,734,194.80x = 4,301,097,381.06 × 1,687,807,793.72
  4. Step 4: Simplify right side
    3,116,734,194.80x = 7,259,425,681,301,749,760
  5. Step 5: Solve for x
    x = 7,259,425,681,301,749,760/3,116,734,194.80
  6. Step 6: Final answer
    x = 2,329,177,025.56

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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.