Home / 519,656,189.96-717,217,942.02-310,835,306.36

Finding the Fourth Proportional to 519,656,189.96, 717,217,942.02 and 310,835,306.36

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Solution

The fourth proportional to 519,656,189.96, 717,217,942.02 and 310,835,306.36 is: 429,007,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,656,189.96 : 717,217,942.02 = 310,835,306.36 : x
  2. Step 2: Convert to fraction form
    519,656,189.96/717,217,942.02 = 310,835,306.36/x
  3. Step 3: Cross multiply
    519,656,189.96x = 717,217,942.02 × 310,835,306.36
  4. Step 4: Simplify right side
    519,656,189.96x = 222,936,658,734,675,424
  5. Step 5: Solve for x
    x = 222,936,658,734,675,424/519,656,189.96
  6. Step 6: Final answer
    x = 429,007,992.29

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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.