Home / 505,485,736.20-758,228,604.30-413,652,731.40

Finding the Fourth Proportional to 505,485,736.20, 758,228,604.30 and 413,652,731.40

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Solution

The fourth proportional to 505,485,736.20, 758,228,604.30 and 413,652,731.40 is: 620,479,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,485,736.20 : 758,228,604.30 = 413,652,731.40 : x
  2. Step 2: Convert to fraction form
    505,485,736.20/758,228,604.30 = 413,652,731.40/x
  3. Step 3: Cross multiply
    505,485,736.20x = 758,228,604.30 × 413,652,731.40
  4. Step 4: Simplify right side
    505,485,736.20x = 313,643,333,194,304,768
  5. Step 5: Solve for x
    x = 313,643,333,194,304,768/505,485,736.20
  6. Step 6: Final answer
    x = 620,479,097.10

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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.