Home / 1,066,382,380.52-1,471,251,272.20-620,251,040.45

Finding the Fourth Proportional to 1,066,382,380.52, 1,471,251,272.20 and 620,251,040.45

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Solution

The fourth proportional to 1,066,382,380.52, 1,471,251,272.20 and 620,251,040.45 is: 855,739,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,382,380.52 : 1,471,251,272.20 = 620,251,040.45 : x
  2. Step 2: Convert to fraction form
    1,066,382,380.52/1,471,251,272.20 = 620,251,040.45/x
  3. Step 3: Cross multiply
    1,066,382,380.52x = 1,471,251,272.20 × 620,251,040.45
  4. Step 4: Simplify right side
    1,066,382,380.52x = 912,545,132,351,037,056
  5. Step 5: Solve for x
    x = 912,545,132,351,037,056/1,066,382,380.52
  6. Step 6: Final answer
    x = 855,739,131.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.