Home / 839,808,101.70-1,259,712,152.55-257,632,200.90

Finding the Fourth Proportional to 839,808,101.70, 1,259,712,152.55 and 257,632,200.90

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Solution

The fourth proportional to 839,808,101.70, 1,259,712,152.55 and 257,632,200.90 is: 386,448,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,101.70 : 1,259,712,152.55 = 257,632,200.90 : x
  2. Step 2: Convert to fraction form
    839,808,101.70/1,259,712,152.55 = 257,632,200.90/x
  3. Step 3: Cross multiply
    839,808,101.70x = 1,259,712,152.55 × 257,632,200.90
  4. Step 4: Simplify right side
    839,808,101.70x = 324,542,414,361,933,056
  5. Step 5: Solve for x
    x = 324,542,414,361,933,056/839,808,101.70
  6. Step 6: Final answer
    x = 386,448,301.35

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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.