Home / 327,402,208.80-491,103,313.20-198,262,045.80

Finding the Fourth Proportional to 327,402,208.80, 491,103,313.20 and 198,262,045.80

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Solution

The fourth proportional to 327,402,208.80, 491,103,313.20 and 198,262,045.80 is: 297,393,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,402,208.80 : 491,103,313.20 = 198,262,045.80 : x
  2. Step 2: Convert to fraction form
    327,402,208.80/491,103,313.20 = 198,262,045.80/x
  3. Step 3: Cross multiply
    327,402,208.80x = 491,103,313.20 × 198,262,045.80
  4. Step 4: Simplify right side
    327,402,208.80x = 97,367,147,574,190,144
  5. Step 5: Solve for x
    x = 97,367,147,574,190,144/327,402,208.80
  6. Step 6: Final answer
    x = 297,393,068.70

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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.