Home / 359,261,393.18-495,777,834.81-208,568,031.71

Finding the Fourth Proportional to 359,261,393.18, 495,777,834.81 and 208,568,031.71

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Solution

The fourth proportional to 359,261,393.18, 495,777,834.81 and 208,568,031.71 is: 287,822,207.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,261,393.18 : 495,777,834.81 = 208,568,031.71 : x
  2. Step 2: Convert to fraction form
    359,261,393.18/495,777,834.81 = 208,568,031.71/x
  3. Step 3: Cross multiply
    359,261,393.18x = 495,777,834.81 × 208,568,031.71
  4. Step 4: Simplify right side
    359,261,393.18x = 103,403,407,169,288,336
  5. Step 5: Solve for x
    x = 103,403,407,169,288,336/359,261,393.18
  6. Step 6: Final answer
    x = 287,822,207.27

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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.