Home / 278,191,812.60-417,287,718.90-244,179,588.60

Finding the Fourth Proportional to 278,191,812.60, 417,287,718.90 and 244,179,588.60

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Solution

The fourth proportional to 278,191,812.60, 417,287,718.90 and 244,179,588.60 is: 366,269,382.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,191,812.60 : 417,287,718.90 = 244,179,588.60 : x
  2. Step 2: Convert to fraction form
    278,191,812.60/417,287,718.90 = 244,179,588.60/x
  3. Step 3: Cross multiply
    278,191,812.60x = 417,287,718.90 × 244,179,588.60
  4. Step 4: Simplify right side
    278,191,812.60x = 101,893,143,528,834,432
  5. Step 5: Solve for x
    x = 101,893,143,528,834,432/278,191,812.60
  6. Step 6: Final answer
    x = 366,269,382.90

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1.5x scale

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.