Home / 396,771,331.80-595,158,899.60-120,424,947.24

Finding the Fourth Proportional to 396,771,331.80, 595,158,899.60 and 120,424,947.24

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Solution

The fourth proportional to 396,771,331.80, 595,158,899.60 and 120,424,947.24 is: 180,637,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,771,331.80 : 595,158,899.60 = 120,424,947.24 : x
  2. Step 2: Convert to fraction form
    396,771,331.80/595,158,899.60 = 120,424,947.24/x
  3. Step 3: Cross multiply
    396,771,331.80x = 595,158,899.60 × 120,424,947.24
  4. Step 4: Simplify right side
    396,771,331.80x = 71,671,979,083,746,456
  5. Step 5: Solve for x
    x = 71,671,979,083,746,456/396,771,331.80
  6. Step 6: Final answer
    x = 180,637,998.11

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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.