Home / 766,600,891.20-1,149,901,336.80-548,922,657.60

Finding the Fourth Proportional to 766,600,891.20, 1,149,901,336.80 and 548,922,657.60

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Solution

The fourth proportional to 766,600,891.20, 1,149,901,336.80 and 548,922,657.60 is: 823,383,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,600,891.20 : 1,149,901,336.80 = 548,922,657.60 : x
  2. Step 2: Convert to fraction form
    766,600,891.20/1,149,901,336.80 = 548,922,657.60/x
  3. Step 3: Cross multiply
    766,600,891.20x = 1,149,901,336.80 × 548,922,657.60
  4. Step 4: Simplify right side
    766,600,891.20x = 631,206,897,774,048,640
  5. Step 5: Solve for x
    x = 631,206,897,774,048,640/766,600,891.20
  6. Step 6: Final answer
    x = 823,383,986.40

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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.