Home / 698,706,952.20-1,048,060,428.30-685,102,062.60

Finding the Fourth Proportional to 698,706,952.20, 1,048,060,428.30 and 685,102,062.60

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Solution

The fourth proportional to 698,706,952.20, 1,048,060,428.30 and 685,102,062.60 is: 1,027,653,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,706,952.20 : 1,048,060,428.30 = 685,102,062.60 : x
  2. Step 2: Convert to fraction form
    698,706,952.20/1,048,060,428.30 = 685,102,062.60/x
  3. Step 3: Cross multiply
    698,706,952.20x = 1,048,060,428.30 × 685,102,062.60
  4. Step 4: Simplify right side
    698,706,952.20x = 718,028,361,157,769,344
  5. Step 5: Solve for x
    x = 718,028,361,157,769,344/698,706,952.20
  6. Step 6: Final answer
    x = 1,027,653,093.90

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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.