Home / 2,120,341,786.40-3,176,375,042.96-1,651,809,388.32

Finding the Fourth Proportional to 2,120,341,786.40, 3,176,375,042.96 and 1,651,809,388.32

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Solution

The fourth proportional to 2,120,341,786.40, 3,176,375,042.96 and 1,651,809,388.32 is: 2,474,490,740.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,341,786.40 : 3,176,375,042.96 = 1,651,809,388.32 : x
  2. Step 2: Convert to fraction form
    2,120,341,786.40/3,176,375,042.96 = 1,651,809,388.32/x
  3. Step 3: Cross multiply
    2,120,341,786.40x = 3,176,375,042.96 × 1,651,809,388.32
  4. Step 4: Simplify right side
    2,120,341,786.40x = 5,246,766,116,786,671,616
  5. Step 5: Solve for x
    x = 5,246,766,116,786,671,616/2,120,341,786.40
  6. Step 6: Final answer
    x = 2,474,490,740.33

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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.