Home / 442,880,201.55-664,320,302.33-422,724,809.55

Finding the Fourth Proportional to 442,880,201.55, 664,320,302.33 and 422,724,809.55

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Solution

The fourth proportional to 442,880,201.55, 664,320,302.33 and 422,724,809.55 is: 634,087,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,880,201.55 : 664,320,302.33 = 422,724,809.55 : x
  2. Step 2: Convert to fraction form
    442,880,201.55/664,320,302.33 = 422,724,809.55/x
  3. Step 3: Cross multiply
    442,880,201.55x = 664,320,302.33 × 422,724,809.55
  4. Step 4: Simplify right side
    442,880,201.55x = 280,824,673,280,534,080
  5. Step 5: Solve for x
    x = 280,824,673,280,534,080/442,880,201.55
  6. Step 6: Final answer
    x = 634,087,214.33

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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.