Home / 442,868,403.60-664,302,605.40-151,638,735.60

Finding the Fourth Proportional to 442,868,403.60, 664,302,605.40 and 151,638,735.60

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Solution

The fourth proportional to 442,868,403.60, 664,302,605.40 and 151,638,735.60 is: 227,458,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,403.60 : 664,302,605.40 = 151,638,735.60 : x
  2. Step 2: Convert to fraction form
    442,868,403.60/664,302,605.40 = 151,638,735.60/x
  3. Step 3: Cross multiply
    442,868,403.60x = 664,302,605.40 × 151,638,735.60
  4. Step 4: Simplify right side
    442,868,403.60x = 100,734,007,138,641,728
  5. Step 5: Solve for x
    x = 100,734,007,138,641,728/442,868,403.60
  6. Step 6: Final answer
    x = 227,458,103.40

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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.