Home / 667,784,364.98-1,001,676,578.62-457,487,680.80

Finding the Fourth Proportional to 667,784,364.98, 1,001,676,578.62 and 457,487,680.80

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Solution

The fourth proportional to 667,784,364.98, 1,001,676,578.62 and 457,487,680.80 is: 686,231,542.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,784,364.98 : 1,001,676,578.62 = 457,487,680.80 : x
  2. Step 2: Convert to fraction form
    667,784,364.98/1,001,676,578.62 = 457,487,680.80/x
  3. Step 3: Cross multiply
    667,784,364.98x = 1,001,676,578.62 × 457,487,680.80
  4. Step 4: Simplify right side
    667,784,364.98x = 458,254,694,864,542,656
  5. Step 5: Solve for x
    x = 458,254,694,864,542,656/667,784,364.98
  6. Step 6: Final answer
    x = 686,231,542.54

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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.