Home / 406,273,235.76-609,328,375.74-198,922,307.76

Finding the Fourth Proportional to 406,273,235.76, 609,328,375.74 and 198,922,307.76

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Solution

The fourth proportional to 406,273,235.76, 609,328,375.74 and 198,922,307.76 is: 298,343,567.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,273,235.76 : 609,328,375.74 = 198,922,307.76 : x
  2. Step 2: Convert to fraction form
    406,273,235.76/609,328,375.74 = 198,922,307.76/x
  3. Step 3: Cross multiply
    406,273,235.76x = 609,328,375.74 × 198,922,307.76
  4. Step 4: Simplify right side
    406,273,235.76x = 121,209,006,685,853,200
  5. Step 5: Solve for x
    x = 121,209,006,685,853,200/406,273,235.76
  6. Step 6: Final answer
    x = 298,343,567.87

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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.