Home / 299,022,940.80-448,534,411.20-222,495,436.80

Finding the Fourth Proportional to 299,022,940.80, 448,534,411.20 and 222,495,436.80

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Solution

The fourth proportional to 299,022,940.80, 448,534,411.20 and 222,495,436.80 is: 333,743,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,022,940.80 : 448,534,411.20 = 222,495,436.80 : x
  2. Step 2: Convert to fraction form
    299,022,940.80/448,534,411.20 = 222,495,436.80/x
  3. Step 3: Cross multiply
    299,022,940.80x = 448,534,411.20 × 222,495,436.80
  4. Step 4: Simplify right side
    299,022,940.80x = 99,796,859,739,774,816
  5. Step 5: Solve for x
    x = 99,796,859,739,774,816/299,022,940.80
  6. Step 6: Final answer
    x = 333,743,155.20

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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.