Home / 353,158,292.44-487,354,576.07-194,385,020.80

Finding the Fourth Proportional to 353,158,292.44, 487,354,576.07 and 194,385,020.80

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Solution

The fourth proportional to 353,158,292.44, 487,354,576.07 and 194,385,020.80 is: 268,249,199.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,158,292.44 : 487,354,576.07 = 194,385,020.80 : x
  2. Step 2: Convert to fraction form
    353,158,292.44/487,354,576.07 = 194,385,020.80/x
  3. Step 3: Cross multiply
    353,158,292.44x = 487,354,576.07 × 194,385,020.80
  4. Step 4: Simplify right side
    353,158,292.44x = 94,734,429,404,883,344
  5. Step 5: Solve for x
    x = 94,734,429,404,883,344/353,158,292.44
  6. Step 6: Final answer
    x = 268,249,199.96

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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.