Home / 380,116,983.40-524,561,441.25-206,276,727.40

Finding the Fourth Proportional to 380,116,983.40, 524,561,441.25 and 206,276,727.40

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Solution

The fourth proportional to 380,116,983.40, 524,561,441.25 and 206,276,727.40 is: 284,661,886.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,116,983.40 : 524,561,441.25 = 206,276,727.40 : x
  2. Step 2: Convert to fraction form
    380,116,983.40/524,561,441.25 = 206,276,727.40/x
  3. Step 3: Cross multiply
    380,116,983.40x = 524,561,441.25 × 206,276,727.40
  4. Step 4: Simplify right side
    380,116,983.40x = 108,204,817,421,277,376
  5. Step 5: Solve for x
    x = 108,204,817,421,277,376/380,116,983.40
  6. Step 6: Final answer
    x = 284,661,886.07

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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.