Home / 663,821,111.70-995,240,782.60-401,447,332.44

Finding the Fourth Proportional to 663,821,111.70, 995,240,782.60 and 401,447,332.44

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Solution

The fourth proportional to 663,821,111.70, 995,240,782.60 and 401,447,332.44 is: 601,874,134.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,821,111.70 : 995,240,782.60 = 401,447,332.44 : x
  2. Step 2: Convert to fraction form
    663,821,111.70/995,240,782.60 = 401,447,332.44/x
  3. Step 3: Cross multiply
    663,821,111.70x = 995,240,782.60 × 401,447,332.44
  4. Step 4: Simplify right side
    663,821,111.70x = 399,536,757,308,260,736
  5. Step 5: Solve for x
    x = 399,536,757,308,260,736/663,821,111.70
  6. Step 6: Final answer
    x = 601,874,134.86

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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.