Home / 409,233,523.12-613,841,421.69-114,120,768.67

Finding the Fourth Proportional to 409,233,523.12, 613,841,421.69 and 114,120,768.67

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Solution

The fourth proportional to 409,233,523.12, 613,841,421.69 and 114,120,768.67 is: 171,178,681.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,233,523.12 : 613,841,421.69 = 114,120,768.67 : x
  2. Step 2: Convert to fraction form
    409,233,523.12/613,841,421.69 = 114,120,768.67/x
  3. Step 3: Cross multiply
    409,233,523.12x = 613,841,421.69 × 114,120,768.67
  4. Step 4: Simplify right side
    409,233,523.12x = 70,052,054,883,213,816
  5. Step 5: Solve for x
    x = 70,052,054,883,213,816/409,233,523.12
  6. Step 6: Final answer
    x = 171,178,681.43

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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.