Home / 607,394,159.70-838,199,767.20-328,929,310.86

Finding the Fourth Proportional to 607,394,159.70, 838,199,767.20 and 328,929,310.86

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Solution

The fourth proportional to 607,394,159.70, 838,199,767.20 and 328,929,310.86 is: 453,920,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,394,159.70 : 838,199,767.20 = 328,929,310.86 : x
  2. Step 2: Convert to fraction form
    607,394,159.70/838,199,767.20 = 328,929,310.86/x
  3. Step 3: Cross multiply
    607,394,159.70x = 838,199,767.20 × 328,929,310.86
  4. Step 4: Simplify right side
    607,394,159.70x = 275,708,471,788,108,448
  5. Step 5: Solve for x
    x = 275,708,471,788,108,448/607,394,159.70
  6. Step 6: Final answer
    x = 453,920,189.03

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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.