Home / 867,749,799.18-1,197,568,576.24-491,473,323.50

Finding the Fourth Proportional to 867,749,799.18, 1,197,568,576.24 and 491,473,323.50

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Solution

The fourth proportional to 867,749,799.18, 1,197,568,576.24 and 491,473,323.50 is: 678,275,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,749,799.18 : 1,197,568,576.24 = 491,473,323.50 : x
  2. Step 2: Convert to fraction form
    867,749,799.18/1,197,568,576.24 = 491,473,323.50/x
  3. Step 3: Cross multiply
    867,749,799.18x = 1,197,568,576.24 × 491,473,323.50
  4. Step 4: Simplify right side
    867,749,799.18x = 588,573,008,276,619,392
  5. Step 5: Solve for x
    x = 588,573,008,276,619,392/867,749,799.18
  6. Step 6: Final answer
    x = 678,275,015.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.