Home / 725,793,856.80-1,087,994,055.60-240,870,055.20

Finding the Fourth Proportional to 725,793,856.80, 1,087,994,055.60 and 240,870,055.20

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Solution

The fourth proportional to 725,793,856.80, 1,087,994,055.60 and 240,870,055.20 is: 361,073,858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,793,856.80 : 1,087,994,055.60 = 240,870,055.20 : x
  2. Step 2: Convert to fraction form
    725,793,856.80/1,087,994,055.60 = 240,870,055.20/x
  3. Step 3: Cross multiply
    725,793,856.80x = 1,087,994,055.60 × 240,870,055.20
  4. Step 4: Simplify right side
    725,793,856.80x = 262,065,188,229,643,840
  5. Step 5: Solve for x
    x = 262,065,188,229,643,840/725,793,856.80
  6. Step 6: Final answer
    x = 361,073,858.33

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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.