Home / 766,794,966.40-1,150,914,062.40-403,550,012.80

Finding the Fourth Proportional to 766,794,966.40, 1,150,914,062.40 and 403,550,012.80

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Solution

The fourth proportional to 766,794,966.40, 1,150,914,062.40 and 403,550,012.80 is: 605,704,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,794,966.40 : 1,150,914,062.40 = 403,550,012.80 : x
  2. Step 2: Convert to fraction form
    766,794,966.40/1,150,914,062.40 = 403,550,012.80/x
  3. Step 3: Cross multiply
    766,794,966.40x = 1,150,914,062.40 × 403,550,012.80
  4. Step 4: Simplify right side
    766,794,966.40x = 464,451,384,613,220,032
  5. Step 5: Solve for x
    x = 464,451,384,613,220,032/766,794,966.40
  6. Step 6: Final answer
    x = 605,704,790.67

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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.