Home / 1,321,024,003.80-1,981,536,005.70-885,667,536.60

Finding the Fourth Proportional to 1,321,024,003.80, 1,981,536,005.70 and 885,667,536.60

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Solution

The fourth proportional to 1,321,024,003.80, 1,981,536,005.70 and 885,667,536.60 is: 1,328,501,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,024,003.80 : 1,981,536,005.70 = 885,667,536.60 : x
  2. Step 2: Convert to fraction form
    1,321,024,003.80/1,981,536,005.70 = 885,667,536.60/x
  3. Step 3: Cross multiply
    1,321,024,003.80x = 1,981,536,005.70 × 885,667,536.60
  4. Step 4: Simplify right side
    1,321,024,003.80x = 1,754,982,112,852,522,752
  5. Step 5: Solve for x
    x = 1,754,982,112,852,522,752/1,321,024,003.80
  6. Step 6: Final answer
    x = 1,328,501,304.90

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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.