Home / 304,313,851.07-419,736,622.93-279,276,810.85

Finding the Fourth Proportional to 304,313,851.07, 419,736,622.93 and 279,276,810.85

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Solution

The fourth proportional to 304,313,851.07, 419,736,622.93 and 279,276,810.85 is: 385,203,319.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,313,851.07 : 419,736,622.93 = 279,276,810.85 : x
  2. Step 2: Convert to fraction form
    304,313,851.07/419,736,622.93 = 279,276,810.85/x
  3. Step 3: Cross multiply
    304,313,851.07x = 419,736,622.93 × 279,276,810.85
  4. Step 4: Simplify right side
    304,313,851.07x = 117,222,705,448,839,392
  5. Step 5: Solve for x
    x = 117,222,705,448,839,392/304,313,851.07
  6. Step 6: Final answer
    x = 385,203,319.00

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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.