Home / 607,917,327.35-911,890,919.99-171,215,056.89

Finding the Fourth Proportional to 607,917,327.35, 911,890,919.99 and 171,215,056.89

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Solution

The fourth proportional to 607,917,327.35, 911,890,919.99 and 171,215,056.89 is: 256,826,789.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,917,327.35 : 911,890,919.99 = 171,215,056.89 : x
  2. Step 2: Convert to fraction form
    607,917,327.35/911,890,919.99 = 171,215,056.89/x
  3. Step 3: Cross multiply
    607,917,327.35x = 911,890,919.99 × 171,215,056.89
  4. Step 4: Simplify right side
    607,917,327.35x = 156,129,455,743,990,304
  5. Step 5: Solve for x
    x = 156,129,455,743,990,304/607,917,327.35
  6. Step 6: Final answer
    x = 256,826,789.96

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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.