Home / 839,810,000.20-1,259,715,000.30-834,708,166.60

Finding the Fourth Proportional to 839,810,000.20, 1,259,715,000.30 and 834,708,166.60

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Solution

The fourth proportional to 839,810,000.20, 1,259,715,000.30 and 834,708,166.60 is: 1,252,062,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,810,000.20 : 1,259,715,000.30 = 834,708,166.60 : x
  2. Step 2: Convert to fraction form
    839,810,000.20/1,259,715,000.30 = 834,708,166.60/x
  3. Step 3: Cross multiply
    839,810,000.20x = 1,259,715,000.30 × 834,708,166.60
  4. Step 4: Simplify right side
    839,810,000.20x = 1,051,494,398,338,931,456
  5. Step 5: Solve for x
    x = 1,051,494,398,338,931,456/839,810,000.20
  6. Step 6: Final answer
    x = 1,252,062,249.90

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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.