Home / 798,840,803.80-1,198,261,205.70-712,109,632.60

Finding the Fourth Proportional to 798,840,803.80, 1,198,261,205.70 and 712,109,632.60

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Solution

The fourth proportional to 798,840,803.80, 1,198,261,205.70 and 712,109,632.60 is: 1,068,164,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,840,803.80 : 1,198,261,205.70 = 712,109,632.60 : x
  2. Step 2: Convert to fraction form
    798,840,803.80/1,198,261,205.70 = 712,109,632.60/x
  3. Step 3: Cross multiply
    798,840,803.80x = 1,198,261,205.70 × 712,109,632.60
  4. Step 4: Simplify right side
    798,840,803.80x = 853,293,346,949,860,096
  5. Step 5: Solve for x
    x = 853,293,346,949,860,096/798,840,803.80
  6. Step 6: Final answer
    x = 1,068,164,448.90

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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.