Home / 504,023,921.18-756,035,881.76-401,987,249.18

Finding the Fourth Proportional to 504,023,921.18, 756,035,881.76 and 401,987,249.18

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Solution

The fourth proportional to 504,023,921.18, 756,035,881.76 and 401,987,249.18 is: 602,980,873.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,023,921.18 : 756,035,881.76 = 401,987,249.18 : x
  2. Step 2: Convert to fraction form
    504,023,921.18/756,035,881.76 = 401,987,249.18/x
  3. Step 3: Cross multiply
    504,023,921.18x = 756,035,881.76 × 401,987,249.18
  4. Step 4: Simplify right side
    504,023,921.18x = 303,916,784,387,302,976
  5. Step 5: Solve for x
    x = 303,916,784,387,302,976/504,023,921.18
  6. Step 6: Final answer
    x = 602,980,873.76

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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.