Home / 1,772,927,999.80-2,659,391,999.70-1,677,693,772.60

Finding the Fourth Proportional to 1,772,927,999.80, 2,659,391,999.70 and 1,677,693,772.60

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Solution

The fourth proportional to 1,772,927,999.80, 2,659,391,999.70 and 1,677,693,772.60 is: 2,516,540,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,927,999.80 : 2,659,391,999.70 = 1,677,693,772.60 : x
  2. Step 2: Convert to fraction form
    1,772,927,999.80/2,659,391,999.70 = 1,677,693,772.60/x
  3. Step 3: Cross multiply
    1,772,927,999.80x = 2,659,391,999.70 × 1,677,693,772.60
  4. Step 4: Simplify right side
    1,772,927,999.80x = 4,461,645,396,798,950,400
  5. Step 5: Solve for x
    x = 4,461,645,396,798,950,400/1,772,927,999.80
  6. Step 6: Final answer
    x = 2,516,540,658.90

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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.