Home / 427,395,698.88-641,204,079.52-250,282,416.72

Finding the Fourth Proportional to 427,395,698.88, 641,204,079.52 and 250,282,416.72

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Solution

The fourth proportional to 427,395,698.88, 641,204,079.52 and 250,282,416.72 is: 375,488,352.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,395,698.88 : 641,204,079.52 = 250,282,416.72 : x
  2. Step 2: Convert to fraction form
    427,395,698.88/641,204,079.52 = 250,282,416.72/x
  3. Step 3: Cross multiply
    427,395,698.88x = 641,204,079.52 × 250,282,416.72
  4. Step 4: Simplify right side
    427,395,698.88x = 160,482,106,632,988,640
  5. Step 5: Solve for x
    x = 160,482,106,632,988,640/427,395,698.88
  6. Step 6: Final answer
    x = 375,488,352.02

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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.