Home / 218,369,844,007.20-327,554,766,010.80-178,697,985,933.60

Finding the Fourth Proportional to 218,369,844,007.20, 327,554,766,010.80 and 178,697,985,933.60

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Solution

The fourth proportional to 218,369,844,007.20, 327,554,766,010.80 and 178,697,985,933.60 is: 268,046,978,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,369,844,007.20 : 327,554,766,010.80 = 178,697,985,933.60 : x
  2. Step 2: Convert to fraction form
    218,369,844,007.20/327,554,766,010.80 = 178,697,985,933.60/x
  3. Step 3: Cross multiply
    218,369,844,007.20x = 327,554,766,010.80 × 178,697,985,933.60
  4. Step 4: Simplify right side
    218,369,844,007.20x = 58,533,376,969,081,574,391,808
  5. Step 5: Solve for x
    x = 58,533,376,969,081,574,391,808/218,369,844,007.20
  6. Step 6: Final answer
    x = 268,046,978,900.40

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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.