Home / 800,767,235.70-1,201,150,853.55-628,774,557.30

Finding the Fourth Proportional to 800,767,235.70, 1,201,150,853.55 and 628,774,557.30

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Solution

The fourth proportional to 800,767,235.70, 1,201,150,853.55 and 628,774,557.30 is: 943,161,835.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,767,235.70 : 1,201,150,853.55 = 628,774,557.30 : x
  2. Step 2: Convert to fraction form
    800,767,235.70/1,201,150,853.55 = 628,774,557.30/x
  3. Step 3: Cross multiply
    800,767,235.70x = 1,201,150,853.55 × 628,774,557.30
  4. Step 4: Simplify right side
    800,767,235.70x = 755,253,096,191,418,240
  5. Step 5: Solve for x
    x = 755,253,096,191,418,240/800,767,235.70
  6. Step 6: Final answer
    x = 943,161,835.95

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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.