Home / 805,861,752.22-1,209,039,323.98-412,666,975.30

Finding the Fourth Proportional to 805,861,752.22, 1,209,039,323.98 and 412,666,975.30

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Solution

The fourth proportional to 805,861,752.22, 1,209,039,323.98 and 412,666,975.30 is: 619,126,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,861,752.22 : 1,209,039,323.98 = 412,666,975.30 : x
  2. Step 2: Convert to fraction form
    805,861,752.22/1,209,039,323.98 = 412,666,975.30/x
  3. Step 3: Cross multiply
    805,861,752.22x = 1,209,039,323.98 × 412,666,975.30
  4. Step 4: Simplify right side
    805,861,752.22x = 498,930,600,844,574,016
  5. Step 5: Solve for x
    x = 498,930,600,844,574,016/805,861,752.22
  6. Step 6: Final answer
    x = 619,126,791.26

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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.