Home / 2,144,949,859.20-3,219,017,313.60-853,412,246.40

Finding the Fourth Proportional to 2,144,949,859.20, 3,219,017,313.60 and 853,412,246.40

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Solution

The fourth proportional to 2,144,949,859.20, 3,219,017,313.60 and 853,412,246.40 is: 1,280,751,988.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,949,859.20 : 3,219,017,313.60 = 853,412,246.40 : x
  2. Step 2: Convert to fraction form
    2,144,949,859.20/3,219,017,313.60 = 853,412,246.40/x
  3. Step 3: Cross multiply
    2,144,949,859.20x = 3,219,017,313.60 × 853,412,246.40
  4. Step 4: Simplify right side
    2,144,949,859.20x = 2,747,148,796,799,868,928
  5. Step 5: Solve for x
    x = 2,747,148,796,799,868,928/2,144,949,859.20
  6. Step 6: Final answer
    x = 1,280,751,988.22

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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.