Home / 393,104,001.60-589,656,002.40-347,754,369.60

Finding the Fourth Proportional to 393,104,001.60, 589,656,002.40 and 347,754,369.60

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Solution

The fourth proportional to 393,104,001.60, 589,656,002.40 and 347,754,369.60 is: 521,631,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,104,001.60 : 589,656,002.40 = 347,754,369.60 : x
  2. Step 2: Convert to fraction form
    393,104,001.60/589,656,002.40 = 347,754,369.60/x
  3. Step 3: Cross multiply
    393,104,001.60x = 589,656,002.40 × 347,754,369.60
  4. Step 4: Simplify right side
    393,104,001.60x = 205,055,451,395,468,096
  5. Step 5: Solve for x
    x = 205,055,451,395,468,096/393,104,001.60
  6. Step 6: Final answer
    x = 521,631,554.40

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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.