Home / 1,866,553,014.60-2,799,449,467.02-685,727,645.04

Finding the Fourth Proportional to 1,866,553,014.60, 2,799,449,467.02 and 685,727,645.04

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Solution

The fourth proportional to 1,866,553,014.60, 2,799,449,467.02 and 685,727,645.04 is: 1,028,451,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,553,014.60 : 2,799,449,467.02 = 685,727,645.04 : x
  2. Step 2: Convert to fraction form
    1,866,553,014.60/2,799,449,467.02 = 685,727,645.04/x
  3. Step 3: Cross multiply
    1,866,553,014.60x = 2,799,449,467.02 × 685,727,645.04
  4. Step 4: Simplify right side
    1,866,553,014.60x = 1,919,659,890,428,107,520
  5. Step 5: Solve for x
    x = 1,919,659,890,428,107,520/1,866,553,014.60
  6. Step 6: Final answer
    x = 1,028,451,844.34

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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.