Home / 2,590,767,429.22-3,886,162,473.87-820,146,793.72

Finding the Fourth Proportional to 2,590,767,429.22, 3,886,162,473.87 and 820,146,793.72

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Solution

The fourth proportional to 2,590,767,429.22, 3,886,162,473.87 and 820,146,793.72 is: 1,230,223,777.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,767,429.22 : 3,886,162,473.87 = 820,146,793.72 : x
  2. Step 2: Convert to fraction form
    2,590,767,429.22/3,886,162,473.87 = 820,146,793.72/x
  3. Step 3: Cross multiply
    2,590,767,429.22x = 3,886,162,473.87 × 820,146,793.72
  4. Step 4: Simplify right side
    2,590,767,429.22x = 3,187,223,692,819,463,680
  5. Step 5: Solve for x
    x = 3,187,223,692,819,463,680/2,590,767,429.22
  6. Step 6: Final answer
    x = 1,230,223,777.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.