Home / 715,391,998.40-1,072,988,464.80-230,766,795.20

Finding the Fourth Proportional to 715,391,998.40, 1,072,988,464.80 and 230,766,795.20

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Solution

The fourth proportional to 715,391,998.40, 1,072,988,464.80 and 230,766,795.20 is: 346,118,086.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,391,998.40 : 1,072,988,464.80 = 230,766,795.20 : x
  2. Step 2: Convert to fraction form
    715,391,998.40/1,072,988,464.80 = 230,766,795.20/x
  3. Step 3: Cross multiply
    715,391,998.40x = 1,072,988,464.80 × 230,766,795.20
  4. Step 4: Simplify right side
    715,391,998.40x = 247,610,109,308,464,000
  5. Step 5: Solve for x
    x = 247,610,109,308,464,000/715,391,998.40
  6. Step 6: Final answer
    x = 346,118,086.12

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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.