Home / 388,716,024-536,434,486.20-232,096,817.28

Finding the Fourth Proportional to 388,716,024, 536,434,486.20 and 232,096,817.28

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Solution

The fourth proportional to 388,716,024, 536,434,486.20 and 232,096,817.28 is: 320,297,413.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,716,024 : 536,434,486.20 = 232,096,817.28 : x
  2. Step 2: Convert to fraction form
    388,716,024/536,434,486.20 = 232,096,817.28/x
  3. Step 3: Cross multiply
    388,716,024x = 536,434,486.20 × 232,096,817.28
  4. Step 4: Simplify right side
    388,716,024x = 124,504,736,926,252,080
  5. Step 5: Solve for x
    x = 124,504,736,926,252,080/388,716,024
  6. Step 6: Final answer
    x = 320,297,413.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.