Home / 499,213,369.56-747,362,987.45-291,314,700.12

Finding the Fourth Proportional to 499,213,369.56, 747,362,987.45 and 291,314,700.12

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Solution

The fourth proportional to 499,213,369.56, 747,362,987.45 and 291,314,700.12 is: 436,121,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,213,369.56 : 747,362,987.45 = 291,314,700.12 : x
  2. Step 2: Convert to fraction form
    499,213,369.56/747,362,987.45 = 291,314,700.12/x
  3. Step 3: Cross multiply
    499,213,369.56x = 747,362,987.45 × 291,314,700.12
  4. Step 4: Simplify right side
    499,213,369.56x = 217,717,824,568,327,520
  5. Step 5: Solve for x
    x = 217,717,824,568,327,520/499,213,369.56
  6. Step 6: Final answer
    x = 436,121,782.48

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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.