Home / 349,096,193.70-523,644,290.55-319,618,932.90

Finding the Fourth Proportional to 349,096,193.70, 523,644,290.55 and 319,618,932.90

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Solution

The fourth proportional to 349,096,193.70, 523,644,290.55 and 319,618,932.90 is: 479,428,399.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,096,193.70 : 523,644,290.55 = 319,618,932.90 : x
  2. Step 2: Convert to fraction form
    349,096,193.70/523,644,290.55 = 319,618,932.90/x
  3. Step 3: Cross multiply
    349,096,193.70x = 523,644,290.55 × 319,618,932.90
  4. Step 4: Simplify right side
    349,096,193.70x = 167,366,629,364,768,544
  5. Step 5: Solve for x
    x = 167,366,629,364,768,544/349,096,193.70
  6. Step 6: Final answer
    x = 479,428,399.35

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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.