Home / 775,961,034.60-1,164,103,292.70-258,552,215.40

Finding the Fourth Proportional to 775,961,034.60, 1,164,103,292.70 and 258,552,215.40

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Solution

The fourth proportional to 775,961,034.60, 1,164,103,292.70 and 258,552,215.40 is: 387,882,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,961,034.60 : 1,164,103,292.70 = 258,552,215.40 : x
  2. Step 2: Convert to fraction form
    775,961,034.60/1,164,103,292.70 = 258,552,215.40/x
  3. Step 3: Cross multiply
    775,961,034.60x = 1,164,103,292.70 × 258,552,215.40
  4. Step 4: Simplify right side
    775,961,034.60x = 300,981,485,282,019,648
  5. Step 5: Solve for x
    x = 300,981,485,282,019,648/775,961,034.60
  6. Step 6: Final answer
    x = 387,882,215.55

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1.5x scale

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.