Home / 812,050,465.44-1,218,122,658.72-229,735,931.52

Finding the Fourth Proportional to 812,050,465.44, 1,218,122,658.72 and 229,735,931.52

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Solution

The fourth proportional to 812,050,465.44, 1,218,122,658.72 and 229,735,931.52 is: 344,617,182.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,050,465.44 : 1,218,122,658.72 = 229,735,931.52 : x
  2. Step 2: Convert to fraction form
    812,050,465.44/1,218,122,658.72 = 229,735,931.52/x
  3. Step 3: Cross multiply
    812,050,465.44x = 1,218,122,658.72 × 229,735,931.52
  4. Step 4: Simplify right side
    812,050,465.44x = 279,846,543,706,658,272
  5. Step 5: Solve for x
    x = 279,846,543,706,658,272/812,050,465.44
  6. Step 6: Final answer
    x = 344,617,182.82

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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.