Home / 1,184,223,839.10-1,777,356,125.91-820,973,286.78

Finding the Fourth Proportional to 1,184,223,839.10, 1,777,356,125.91 and 820,973,286.78

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Solution

The fourth proportional to 1,184,223,839.10, 1,777,356,125.91 and 820,973,286.78 is: 1,232,167,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,223,839.10 : 1,777,356,125.91 = 820,973,286.78 : x
  2. Step 2: Convert to fraction form
    1,184,223,839.10/1,777,356,125.91 = 820,973,286.78/x
  3. Step 3: Cross multiply
    1,184,223,839.10x = 1,777,356,125.91 × 820,973,286.78
  4. Step 4: Simplify right side
    1,184,223,839.10x = 1,459,161,900,466,900,224
  5. Step 5: Solve for x
    x = 1,459,161,900,466,900,224/1,184,223,839.10
  6. Step 6: Final answer
    x = 1,232,167,308.48

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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.