Home / 661,031,680.38-912,223,677.24-363,667,543.22

Finding the Fourth Proportional to 661,031,680.38, 912,223,677.24 and 363,667,543.22

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Solution

The fourth proportional to 661,031,680.38, 912,223,677.24 and 363,667,543.22 is: 501,861,186.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,031,680.38 : 912,223,677.24 = 363,667,543.22 : x
  2. Step 2: Convert to fraction form
    661,031,680.38/912,223,677.24 = 363,667,543.22/x
  3. Step 3: Cross multiply
    661,031,680.38x = 912,223,677.24 × 363,667,543.22
  4. Step 4: Simplify right side
    661,031,680.38x = 331,746,143,571,265,600
  5. Step 5: Solve for x
    x = 331,746,143,571,265,600/661,031,680.38
  6. Step 6: Final answer
    x = 501,861,186.72

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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.