Home / 661,031,682.38-912,223,680-363,667,545.23

Finding the Fourth Proportional to 661,031,682.38, 912,223,680 and 363,667,545.23

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Solution

The fourth proportional to 661,031,682.38, 912,223,680 and 363,667,545.23 is: 501,861,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,031,682.38 : 912,223,680 = 363,667,545.23 : x
  2. Step 2: Convert to fraction form
    661,031,682.38/912,223,680 = 363,667,545.23/x
  3. Step 3: Cross multiply
    661,031,682.38x = 912,223,680 × 363,667,545.23
  4. Step 4: Simplify right side
    661,031,682.38x = 331,746,146,401,715,968
  5. Step 5: Solve for x
    x = 331,746,146,401,715,968/661,031,682.38
  6. Step 6: Final answer
    x = 501,861,189.48

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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.