Home / 505,306,477.80-758,032,019.90-155,582,136.33

Finding the Fourth Proportional to 505,306,477.80, 758,032,019.90 and 155,582,136.33

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Solution

The fourth proportional to 505,306,477.80, 758,032,019.90 and 155,582,136.33 is: 233,395,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,306,477.80 : 758,032,019.90 = 155,582,136.33 : x
  2. Step 2: Convert to fraction form
    505,306,477.80/758,032,019.90 = 155,582,136.33/x
  3. Step 3: Cross multiply
    505,306,477.80x = 758,032,019.90 × 155,582,136.33
  4. Step 4: Simplify right side
    505,306,477.80x = 117,936,241,061,809,168
  5. Step 5: Solve for x
    x = 117,936,241,061,809,168/505,306,477.80
  6. Step 6: Final answer
    x = 233,395,466.40

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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.