Home / 442,954,374.40-664,431,561.60-119,838,246.40

Finding the Fourth Proportional to 442,954,374.40, 664,431,561.60 and 119,838,246.40

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Solution

The fourth proportional to 442,954,374.40, 664,431,561.60 and 119,838,246.40 is: 179,757,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,954,374.40 : 664,431,561.60 = 119,838,246.40 : x
  2. Step 2: Convert to fraction form
    442,954,374.40/664,431,561.60 = 119,838,246.40/x
  3. Step 3: Cross multiply
    442,954,374.40x = 664,431,561.60 × 119,838,246.40
  4. Step 4: Simplify right side
    442,954,374.40x = 79,624,313,194,957,584
  5. Step 5: Solve for x
    x = 79,624,313,194,957,584/442,954,374.40
  6. Step 6: Final answer
    x = 179,757,369.60

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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.