Home / 422,757,148.80-633,983,580.90-146,333,256.96

Finding the Fourth Proportional to 422,757,148.80, 633,983,580.90 and 146,333,256.96

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Solution

The fourth proportional to 422,757,148.80, 633,983,580.90 and 146,333,256.96 is: 219,447,222.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,757,148.80 : 633,983,580.90 = 146,333,256.96 : x
  2. Step 2: Convert to fraction form
    422,757,148.80/633,983,580.90 = 146,333,256.96/x
  3. Step 3: Cross multiply
    422,757,148.80x = 633,983,580.90 × 146,333,256.96
  4. Step 4: Simplify right side
    422,757,148.80x = 92,772,882,252,260,656
  5. Step 5: Solve for x
    x = 92,772,882,252,260,656/422,757,148.80
  6. Step 6: Final answer
    x = 219,447,222.87

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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.