Home / 505,306,489.86-758,032,037.96-155,582,148.33

Finding the Fourth Proportional to 505,306,489.86, 758,032,037.96 and 155,582,148.33

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Solution

The fourth proportional to 505,306,489.86, 758,032,037.96 and 155,582,148.33 is: 233,395,484.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,306,489.86 : 758,032,037.96 = 155,582,148.33 : x
  2. Step 2: Convert to fraction form
    505,306,489.86/758,032,037.96 = 155,582,148.33/x
  3. Step 3: Cross multiply
    505,306,489.86x = 758,032,037.96 × 155,582,148.33
  4. Step 4: Simplify right side
    505,306,489.86x = 117,936,252,968,007,024
  5. Step 5: Solve for x
    x = 117,936,252,968,007,024/505,306,489.86
  6. Step 6: Final answer
    x = 233,395,484.39

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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.