Home / 396,832,587.45-595,272,048.69-120,492,816.81

Finding the Fourth Proportional to 396,832,587.45, 595,272,048.69 and 120,492,816.81

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Solution

The fourth proportional to 396,832,587.45, 595,272,048.69 and 120,492,816.81 is: 180,746,259.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,832,587.45 : 595,272,048.69 = 120,492,816.81 : x
  2. Step 2: Convert to fraction form
    396,832,587.45/595,272,048.69 = 120,492,816.81/x
  3. Step 3: Cross multiply
    396,832,587.45x = 595,272,048.69 × 120,492,816.81
  4. Step 4: Simplify right side
    396,832,587.45x = 71,726,005,914,917,576
  5. Step 5: Solve for x
    x = 71,726,005,914,917,576/396,832,587.45
  6. Step 6: Final answer
    x = 180,746,259.72

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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.