Home / 505,491,451.20-758,237,176.80-246,872,577.60

Finding the Fourth Proportional to 505,491,451.20, 758,237,176.80 and 246,872,577.60

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Solution

The fourth proportional to 505,491,451.20, 758,237,176.80 and 246,872,577.60 is: 370,308,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,491,451.20 : 758,237,176.80 = 246,872,577.60 : x
  2. Step 2: Convert to fraction form
    505,491,451.20/758,237,176.80 = 246,872,577.60/x
  3. Step 3: Cross multiply
    505,491,451.20x = 758,237,176.80 × 246,872,577.60
  4. Step 4: Simplify right side
    505,491,451.20x = 187,187,966,268,762,912
  5. Step 5: Solve for x
    x = 187,187,966,268,762,912/505,491,451.20
  6. Step 6: Final answer
    x = 370,308,866.40

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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.