Home / 287,600,529.30-431,400,793.95-199,593,899.70

Finding the Fourth Proportional to 287,600,529.30, 431,400,793.95 and 199,593,899.70

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Solution

The fourth proportional to 287,600,529.30, 431,400,793.95 and 199,593,899.70 is: 299,390,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,600,529.30 : 431,400,793.95 = 199,593,899.70 : x
  2. Step 2: Convert to fraction form
    287,600,529.30/431,400,793.95 = 199,593,899.70/x
  3. Step 3: Cross multiply
    287,600,529.30x = 431,400,793.95 × 199,593,899.70
  4. Step 4: Simplify right side
    287,600,529.30x = 86,104,966,798,156,656
  5. Step 5: Solve for x
    x = 86,104,966,798,156,656/287,600,529.30
  6. Step 6: Final answer
    x = 299,390,849.55

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