Home / 519,159,326.25-716,439,905.23-284,209,986.73

Finding the Fourth Proportional to 519,159,326.25, 716,439,905.23 and 284,209,986.73

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Solution

The fourth proportional to 519,159,326.25, 716,439,905.23 and 284,209,986.73 is: 392,209,800.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,159,326.25 : 716,439,905.23 = 284,209,986.73 : x
  2. Step 2: Convert to fraction form
    519,159,326.25/716,439,905.23 = 284,209,986.73/x
  3. Step 3: Cross multiply
    519,159,326.25x = 716,439,905.23 × 284,209,986.73
  4. Step 4: Simplify right side
    519,159,326.25x = 203,619,375,957,012,672
  5. Step 5: Solve for x
    x = 203,619,375,957,012,672/519,159,326.25
  6. Step 6: Final answer
    x = 392,209,800.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.