Home / 607,394,150.82-838,199,755.08-328,929,301.98

Finding the Fourth Proportional to 607,394,150.82, 838,199,755.08 and 328,929,301.98

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Solution

The fourth proportional to 607,394,150.82, 838,199,755.08 and 328,929,301.98 is: 453,920,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,394,150.82 : 838,199,755.08 = 328,929,301.98 : x
  2. Step 2: Convert to fraction form
    607,394,150.82/838,199,755.08 = 328,929,301.98/x
  3. Step 3: Cross multiply
    607,394,150.82x = 838,199,755.08 × 328,929,301.98
  4. Step 4: Simplify right side
    607,394,150.82x = 275,708,460,358,271,392
  5. Step 5: Solve for x
    x = 275,708,460,358,271,392/607,394,150.82
  6. Step 6: Final answer
    x = 453,920,176.85

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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.