Home / 1,236,051,761.42-1,853,790,005.46-460,062,870.86

Finding the Fourth Proportional to 1,236,051,761.42, 1,853,790,005.46 and 460,062,870.86

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Solution

The fourth proportional to 1,236,051,761.42, 1,853,790,005.46 and 460,062,870.86 is: 689,987,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,051,761.42 : 1,853,790,005.46 = 460,062,870.86 : x
  2. Step 2: Convert to fraction form
    1,236,051,761.42/1,853,790,005.46 = 460,062,870.86/x
  3. Step 3: Cross multiply
    1,236,051,761.42x = 1,853,790,005.46 × 460,062,870.86
  4. Step 4: Simplify right side
    1,236,051,761.42x = 852,859,951,883,502,720
  5. Step 5: Solve for x
    x = 852,859,951,883,502,720/1,236,051,761.42
  6. Step 6: Final answer
    x = 689,987,246.90

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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.