Home / 1,939,664,799-2,909,522,392.74-647,200,287

Finding the Fourth Proportional to 1,939,664,799, 2,909,522,392.74 and 647,200,287

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Solution

The fourth proportional to 1,939,664,799, 2,909,522,392.74 and 647,200,287 is: 970,808,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,664,799 : 2,909,522,392.74 = 647,200,287 : x
  2. Step 2: Convert to fraction form
    1,939,664,799/2,909,522,392.74 = 647,200,287/x
  3. Step 3: Cross multiply
    1,939,664,799x = 2,909,522,392.74 × 647,200,287
  4. Step 4: Simplify right side
    1,939,664,799x = 1,883,043,727,614,254,592
  5. Step 5: Solve for x
    x = 1,883,043,727,614,254,592/1,939,664,799
  6. Step 6: Final answer
    x = 970,808,836.96

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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.