Home / 513,145,638.99-769,718,444.87-236,715,066.47

Finding the Fourth Proportional to 513,145,638.99, 769,718,444.87 and 236,715,066.47

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Solution

The fourth proportional to 513,145,638.99, 769,718,444.87 and 236,715,066.47 is: 355,072,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,145,638.99 : 769,718,444.87 = 236,715,066.47 : x
  2. Step 2: Convert to fraction form
    513,145,638.99/769,718,444.87 = 236,715,066.47/x
  3. Step 3: Cross multiply
    513,145,638.99x = 769,718,444.87 × 236,715,066.47
  4. Step 4: Simplify right side
    513,145,638.99x = 182,203,952,841,327,808
  5. Step 5: Solve for x
    x = 182,203,952,841,327,808/513,145,638.99
  6. Step 6: Final answer
    x = 355,072,593.43

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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.