Home / 664,302,225.60-996,453,338.40-387,669,470.40

Finding the Fourth Proportional to 664,302,225.60, 996,453,338.40 and 387,669,470.40

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Solution

The fourth proportional to 664,302,225.60, 996,453,338.40 and 387,669,470.40 is: 581,504,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,225.60 : 996,453,338.40 = 387,669,470.40 : x
  2. Step 2: Convert to fraction form
    664,302,225.60/996,453,338.40 = 387,669,470.40/x
  3. Step 3: Cross multiply
    664,302,225.60x = 996,453,338.40 × 387,669,470.40
  4. Step 4: Simplify right side
    664,302,225.60x = 386,294,537,975,839,936
  5. Step 5: Solve for x
    x = 386,294,537,975,839,936/664,302,225.60
  6. Step 6: Final answer
    x = 581,504,205.60

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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.