Home / 505,506,300.42-758,611,447.32-178,008,192.61

Finding the Fourth Proportional to 505,506,300.42, 758,611,447.32 and 178,008,192.61

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Solution

The fourth proportional to 505,506,300.42, 758,611,447.32 and 178,008,192.61 is: 267,136,240.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,506,300.42 : 758,611,447.32 = 178,008,192.61 : x
  2. Step 2: Convert to fraction form
    505,506,300.42/758,611,447.32 = 178,008,192.61/x
  3. Step 3: Cross multiply
    505,506,300.42x = 758,611,447.32 × 178,008,192.61
  4. Step 4: Simplify right side
    505,506,300.42x = 135,039,052,629,462,208
  5. Step 5: Solve for x
    x = 135,039,052,629,462,208/505,506,300.42
  6. Step 6: Final answer
    x = 267,136,240.47

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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.