Home / 442,868,019.60-664,302,029.40-151,638,351.60

Finding the Fourth Proportional to 442,868,019.60, 664,302,029.40 and 151,638,351.60

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Solution

The fourth proportional to 442,868,019.60, 664,302,029.40 and 151,638,351.60 is: 227,457,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,019.60 : 664,302,029.40 = 151,638,351.60 : x
  2. Step 2: Convert to fraction form
    442,868,019.60/664,302,029.40 = 151,638,351.60/x
  3. Step 3: Cross multiply
    442,868,019.60x = 664,302,029.40 × 151,638,351.60
  4. Step 4: Simplify right side
    442,868,019.60x = 100,733,664,702,750,736
  5. Step 5: Solve for x
    x = 100,733,664,702,750,736/442,868,019.60
  6. Step 6: Final answer
    x = 227,457,527.40

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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.