Home / 354,295,010.55-531,442,515.83-199,326,814.95

Finding the Fourth Proportional to 354,295,010.55, 531,442,515.83 and 199,326,814.95

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Solution

The fourth proportional to 354,295,010.55, 531,442,515.83 and 199,326,814.95 is: 298,990,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,295,010.55 : 531,442,515.83 = 199,326,814.95 : x
  2. Step 2: Convert to fraction form
    354,295,010.55/531,442,515.83 = 199,326,814.95/x
  3. Step 3: Cross multiply
    354,295,010.55x = 531,442,515.83 × 199,326,814.95
  4. Step 4: Simplify right side
    354,295,010.55x = 105,930,744,008,412,208
  5. Step 5: Solve for x
    x = 105,930,744,008,412,208/354,295,010.55
  6. Step 6: Final answer
    x = 298,990,222.43

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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.