Home / 469,274,905.64-648,136,846.38-309,055,113.14

Finding the Fourth Proportional to 469,274,905.64, 648,136,846.38 and 309,055,113.14

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Solution

The fourth proportional to 469,274,905.64, 648,136,846.38 and 309,055,113.14 is: 426,850,027.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,274,905.64 : 648,136,846.38 = 309,055,113.14 : x
  2. Step 2: Convert to fraction form
    469,274,905.64/648,136,846.38 = 309,055,113.14/x
  3. Step 3: Cross multiply
    469,274,905.64x = 648,136,846.38 × 309,055,113.14
  4. Step 4: Simplify right side
    469,274,905.64x = 200,310,006,388,173,696
  5. Step 5: Solve for x
    x = 200,310,006,388,173,696/469,274,905.64
  6. Step 6: Final answer
    x = 426,850,027.52

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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.