Home / 1,406,591,999.80-2,109,887,999.70-971,235,532.60

Finding the Fourth Proportional to 1,406,591,999.80, 2,109,887,999.70 and 971,235,532.60

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Solution

The fourth proportional to 1,406,591,999.80, 2,109,887,999.70 and 971,235,532.60 is: 1,456,853,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,591,999.80 : 2,109,887,999.70 = 971,235,532.60 : x
  2. Step 2: Convert to fraction form
    1,406,591,999.80/2,109,887,999.70 = 971,235,532.60/x
  3. Step 3: Cross multiply
    1,406,591,999.80x = 2,109,887,999.70 × 971,235,532.60
  4. Step 4: Simplify right side
    1,406,591,999.80x = 2,049,198,195,114,978,304
  5. Step 5: Solve for x
    x = 2,049,198,195,114,978,304/1,406,591,999.80
  6. Step 6: Final answer
    x = 1,456,853,298.90

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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.