Home / 355,051,857.70-532,241,863.35-209,597,112.10

Finding the Fourth Proportional to 355,051,857.70, 532,241,863.35 and 209,597,112.10

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Solution

The fourth proportional to 355,051,857.70, 532,241,863.35 and 209,597,112.10 is: 314,197,363.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,051,857.70 : 532,241,863.35 = 209,597,112.10 : x
  2. Step 2: Convert to fraction form
    355,051,857.70/532,241,863.35 = 209,597,112.10/x
  3. Step 3: Cross multiply
    355,051,857.70x = 532,241,863.35 × 209,597,112.10
  4. Step 4: Simplify right side
    355,051,857.70x = 111,556,357,496,882,832
  5. Step 5: Solve for x
    x = 111,556,357,496,882,832/355,051,857.70
  6. Step 6: Final answer
    x = 314,197,363.22

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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.