Home / 681,421,516.20-1,022,132,274.30-436,533,503.40

Finding the Fourth Proportional to 681,421,516.20, 1,022,132,274.30 and 436,533,503.40

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Solution

The fourth proportional to 681,421,516.20, 1,022,132,274.30 and 436,533,503.40 is: 654,800,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,421,516.20 : 1,022,132,274.30 = 436,533,503.40 : x
  2. Step 2: Convert to fraction form
    681,421,516.20/1,022,132,274.30 = 436,533,503.40/x
  3. Step 3: Cross multiply
    681,421,516.20x = 1,022,132,274.30 × 436,533,503.40
  4. Step 4: Simplify right side
    681,421,516.20x = 446,194,982,638,388,736
  5. Step 5: Solve for x
    x = 446,194,982,638,388,736/681,421,516.20
  6. Step 6: Final answer
    x = 654,800,255.10

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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.