Home / 1,908,758,521.82-2,863,108,971.54-858,755,247.64

Finding the Fourth Proportional to 1,908,758,521.82, 2,863,108,971.54 and 858,755,247.64

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Solution

The fourth proportional to 1,908,758,521.82, 2,863,108,971.54 and 858,755,247.64 is: 1,288,119,909.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,758,521.82 : 2,863,108,971.54 = 858,755,247.64 : x
  2. Step 2: Convert to fraction form
    1,908,758,521.82/2,863,108,971.54 = 858,755,247.64/x
  3. Step 3: Cross multiply
    1,908,758,521.82x = 2,863,108,971.54 × 858,755,247.64
  4. Step 4: Simplify right side
    1,908,758,521.82x = 2,458,709,853,867,980,800
  5. Step 5: Solve for x
    x = 2,458,709,853,867,980,800/1,908,758,521.82
  6. Step 6: Final answer
    x = 1,288,119,909.23

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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.