Home / 290,322,459.20-435,035,791.20-251,803,265.60

Finding the Fourth Proportional to 290,322,459.20, 435,035,791.20 and 251,803,265.60

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Solution

The fourth proportional to 290,322,459.20, 435,035,791.20 and 251,803,265.60 is: 377,316,426.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,322,459.20 : 435,035,791.20 = 251,803,265.60 : x
  2. Step 2: Convert to fraction form
    290,322,459.20/435,035,791.20 = 251,803,265.60/x
  3. Step 3: Cross multiply
    290,322,459.20x = 435,035,791.20 × 251,803,265.60
  4. Step 4: Simplify right side
    290,322,459.20x = 109,543,432,877,039,744
  5. Step 5: Solve for x
    x = 109,543,432,877,039,744/290,322,459.20
  6. Step 6: Final answer
    x = 377,316,426.63

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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.