Home / 487,524,536.44-731,278,334.59-196,384,217.11

Finding the Fourth Proportional to 487,524,536.44, 731,278,334.59 and 196,384,217.11

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Solution

The fourth proportional to 487,524,536.44, 731,278,334.59 and 196,384,217.11 is: 294,572,913.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,524,536.44 : 731,278,334.59 = 196,384,217.11 : x
  2. Step 2: Convert to fraction form
    487,524,536.44/731,278,334.59 = 196,384,217.11/x
  3. Step 3: Cross multiply
    487,524,536.44x = 731,278,334.59 × 196,384,217.11
  4. Step 4: Simplify right side
    487,524,536.44x = 143,611,523,225,642,608
  5. Step 5: Solve for x
    x = 143,611,523,225,642,608/487,524,536.44
  6. Step 6: Final answer
    x = 294,572,913.76

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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.