Home / 1,940,464,900.80-2,910,697,351.20-1,066,728,657.60

Finding the Fourth Proportional to 1,940,464,900.80, 2,910,697,351.20 and 1,066,728,657.60

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Solution

The fourth proportional to 1,940,464,900.80, 2,910,697,351.20 and 1,066,728,657.60 is: 1,600,092,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,464,900.80 : 2,910,697,351.20 = 1,066,728,657.60 : x
  2. Step 2: Convert to fraction form
    1,940,464,900.80/2,910,697,351.20 = 1,066,728,657.60/x
  3. Step 3: Cross multiply
    1,940,464,900.80x = 2,910,697,351.20 × 1,066,728,657.60
  4. Step 4: Simplify right side
    1,940,464,900.80x = 3,104,924,278,125,451,776
  5. Step 5: Solve for x
    x = 3,104,924,278,125,451,776/1,940,464,900.80
  6. Step 6: Final answer
    x = 1,600,092,986.40

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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.