Home / 478,087,021.11-717,339,122.37-167,417,614.47

Finding the Fourth Proportional to 478,087,021.11, 717,339,122.37 and 167,417,614.47

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Solution

The fourth proportional to 478,087,021.11, 717,339,122.37 and 167,417,614.47 is: 251,199,466.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,087,021.11 : 717,339,122.37 = 167,417,614.47 : x
  2. Step 2: Convert to fraction form
    478,087,021.11/717,339,122.37 = 167,417,614.47/x
  3. Step 3: Cross multiply
    478,087,021.11x = 717,339,122.37 × 167,417,614.47
  4. Step 4: Simplify right side
    478,087,021.11x = 120,095,204,633,188,816
  5. Step 5: Solve for x
    x = 120,095,204,633,188,816/478,087,021.11
  6. Step 6: Final answer
    x = 251,199,466.48

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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.