Home / 407,236,420.53-611,042,496.63-185,975,589.43

Finding the Fourth Proportional to 407,236,420.53, 611,042,496.63 and 185,975,589.43

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Solution

The fourth proportional to 407,236,420.53, 611,042,496.63 and 185,975,589.43 is: 279,049,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,236,420.53 : 611,042,496.63 = 185,975,589.43 : x
  2. Step 2: Convert to fraction form
    407,236,420.53/611,042,496.63 = 185,975,589.43/x
  3. Step 3: Cross multiply
    407,236,420.53x = 611,042,496.63 × 185,975,589.43
  4. Step 4: Simplify right side
    407,236,420.53x = 113,638,988,477,609,440
  5. Step 5: Solve for x
    x = 113,638,988,477,609,440/407,236,420.53
  6. Step 6: Final answer
    x = 279,049,178.19

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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.