Home / 744,100,900.46-1,116,220,880.88-219,470,513.70

Finding the Fourth Proportional to 744,100,900.46, 1,116,220,880.88 and 219,470,513.70

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Solution

The fourth proportional to 744,100,900.46, 1,116,220,880.88 and 219,470,513.70 is: 329,226,278.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,100,900.46 : 1,116,220,880.88 = 219,470,513.70 : x
  2. Step 2: Convert to fraction form
    744,100,900.46/1,116,220,880.88 = 219,470,513.70/x
  3. Step 3: Cross multiply
    744,100,900.46x = 1,116,220,880.88 × 219,470,513.70
  4. Step 4: Simplify right side
    744,100,900.46x = 244,977,570,132,780,256
  5. Step 5: Solve for x
    x = 244,977,570,132,780,256/744,100,900.46
  6. Step 6: Final answer
    x = 329,226,278.29

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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.