Home / 239,744,428.12-330,665,005.06-206,310,260.40

Finding the Fourth Proportional to 239,744,428.12, 330,665,005.06 and 206,310,260.40

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Solution

The fourth proportional to 239,744,428.12, 330,665,005.06 and 206,310,260.40 is: 284,551,277.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,744,428.12 : 330,665,005.06 = 206,310,260.40 : x
  2. Step 2: Convert to fraction form
    239,744,428.12/330,665,005.06 = 206,310,260.40/x
  3. Step 3: Cross multiply
    239,744,428.12x = 330,665,005.06 × 206,310,260.40
  4. Step 4: Simplify right side
    239,744,428.12x = 68,219,583,299,095,920
  5. Step 5: Solve for x
    x = 68,219,583,299,095,920/239,744,428.12
  6. Step 6: Final answer
    x = 284,551,277.52

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1.5x scale

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.