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Finding the Fourth Proportional to 514,296,221.40, 709,734,536.82 and 302,649,843.15

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Solution

The fourth proportional to 514,296,221.40, 709,734,536.82 and 302,649,843.15 is: 417,660,168.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,296,221.40 : 709,734,536.82 = 302,649,843.15 : x
  2. Step 2: Convert to fraction form
    514,296,221.40/709,734,536.82 = 302,649,843.15/x
  3. Step 3: Cross multiply
    514,296,221.40x = 709,734,536.82 × 302,649,843.15
  4. Step 4: Simplify right side
    514,296,221.40x = 214,801,046,246,710,912
  5. Step 5: Solve for x
    x = 214,801,046,246,710,912/514,296,221.40
  6. Step 6: Final answer
    x = 417,660,168.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.