Home / 781,723,460.94-1,172,625,548.88-199,462,801.74

Finding the Fourth Proportional to 781,723,460.94, 1,172,625,548.88 and 199,462,801.74

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Solution

The fourth proportional to 781,723,460.94, 1,172,625,548.88 and 199,462,801.74 is: 299,204,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,723,460.94 : 1,172,625,548.88 = 199,462,801.74 : x
  2. Step 2: Convert to fraction form
    781,723,460.94/1,172,625,548.88 = 199,462,801.74/x
  3. Step 3: Cross multiply
    781,723,460.94x = 1,172,625,548.88 × 199,462,801.74
  4. Step 4: Simplify right side
    781,723,460.94x = 233,895,177,371,510,144
  5. Step 5: Solve for x
    x = 233,895,177,371,510,144/781,723,460.94
  6. Step 6: Final answer
    x = 299,204,500.13

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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.