Home / 1,106,471,566.61-1,659,234,899.09-640,454,658.11

Finding the Fourth Proportional to 1,106,471,566.61, 1,659,234,899.09 and 640,454,658.11

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Solution

The fourth proportional to 1,106,471,566.61, 1,659,234,899.09 and 640,454,658.11 is: 960,408,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,471,566.61 : 1,659,234,899.09 = 640,454,658.11 : x
  2. Step 2: Convert to fraction form
    1,106,471,566.61/1,659,234,899.09 = 640,454,658.11/x
  3. Step 3: Cross multiply
    1,106,471,566.61x = 1,659,234,899.09 × 640,454,658.11
  4. Step 4: Simplify right side
    1,106,471,566.61x = 1,062,664,720,020,651,648
  5. Step 5: Solve for x
    x = 1,062,664,720,020,651,648/1,106,471,566.61
  6. Step 6: Final answer
    x = 960,408,520.28

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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.