Home / 371,320,743.44-512,436,455.01-222,666,066.92

Finding the Fourth Proportional to 371,320,743.44, 512,436,455.01 and 222,666,066.92

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Solution

The fourth proportional to 371,320,743.44, 512,436,455.01 and 222,666,066.92 is: 307,287,465.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,320,743.44 : 512,436,455.01 = 222,666,066.92 : x
  2. Step 2: Convert to fraction form
    371,320,743.44/512,436,455.01 = 222,666,066.92/x
  3. Step 3: Cross multiply
    371,320,743.44x = 512,436,455.01 × 222,666,066.92
  4. Step 4: Simplify right side
    371,320,743.44x = 114,102,209,983,504,224
  5. Step 5: Solve for x
    x = 114,102,209,983,504,224/371,320,743.44
  6. Step 6: Final answer
    x = 307,287,465.08

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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.