Home / 756,957,676.66-1,135,428,938.25-239,388,205.30

Finding the Fourth Proportional to 756,957,676.66, 1,135,428,938.25 and 239,388,205.30

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Solution

The fourth proportional to 756,957,676.66, 1,135,428,938.25 and 239,388,205.30 is: 359,079,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,957,676.66 : 1,135,428,938.25 = 239,388,205.30 : x
  2. Step 2: Convert to fraction form
    756,957,676.66/1,135,428,938.25 = 239,388,205.30/x
  3. Step 3: Cross multiply
    756,957,676.66x = 1,135,428,938.25 × 239,388,205.30
  4. Step 4: Simplify right side
    756,957,676.66x = 271,808,295,769,603,808
  5. Step 5: Solve for x
    x = 271,808,295,769,603,808/756,957,676.66
  6. Step 6: Final answer
    x = 359,079,911.80

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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.