Home / 1,259,713,336.80-1,889,570,005.20-996,685,471.20

Finding the Fourth Proportional to 1,259,713,336.80, 1,889,570,005.20 and 996,685,471.20

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Solution

The fourth proportional to 1,259,713,336.80, 1,889,570,005.20 and 996,685,471.20 is: 1,495,028,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,713,336.80 : 1,889,570,005.20 = 996,685,471.20 : x
  2. Step 2: Convert to fraction form
    1,259,713,336.80/1,889,570,005.20 = 996,685,471.20/x
  3. Step 3: Cross multiply
    1,259,713,336.80x = 1,889,570,005.20 × 996,685,471.20
  4. Step 4: Simplify right side
    1,259,713,336.80x = 1,883,306,970,998,148,608
  5. Step 5: Solve for x
    x = 1,883,306,970,998,148,608/1,259,713,336.80
  6. Step 6: Final answer
    x = 1,495,028,206.80

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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.