Home / 1,859,335,515.75-2,789,371,001.28-531,375,468.87

Finding the Fourth Proportional to 1,859,335,515.75, 2,789,371,001.28 and 531,375,468.87

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Solution

The fourth proportional to 1,859,335,515.75, 2,789,371,001.28 and 531,375,468.87 is: 797,168,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,335,515.75 : 2,789,371,001.28 = 531,375,468.87 : x
  2. Step 2: Convert to fraction form
    1,859,335,515.75/2,789,371,001.28 = 531,375,468.87/x
  3. Step 3: Cross multiply
    1,859,335,515.75x = 2,789,371,001.28 × 531,375,468.87
  4. Step 4: Simplify right side
    1,859,335,515.75x = 1,482,203,323,667,045,120
  5. Step 5: Solve for x
    x = 1,482,203,323,667,045,120/1,859,335,515.75
  6. Step 6: Final answer
    x = 797,168,295.40

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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.