Home / 699,841,208.20-1,049,761,812.30-215,104,030.60

Finding the Fourth Proportional to 699,841,208.20, 1,049,761,812.30 and 215,104,030.60

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Solution

The fourth proportional to 699,841,208.20, 1,049,761,812.30 and 215,104,030.60 is: 322,656,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,841,208.20 : 1,049,761,812.30 = 215,104,030.60 : x
  2. Step 2: Convert to fraction form
    699,841,208.20/1,049,761,812.30 = 215,104,030.60/x
  3. Step 3: Cross multiply
    699,841,208.20x = 1,049,761,812.30 × 215,104,030.60
  4. Step 4: Simplify right side
    699,841,208.20x = 225,807,996,995,690,624
  5. Step 5: Solve for x
    x = 225,807,996,995,690,624/699,841,208.20
  6. Step 6: Final answer
    x = 322,656,045.90

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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.