Home / 887,597,999.10-1,331,396,998.65-370,399,617.90

Finding the Fourth Proportional to 887,597,999.10, 1,331,396,998.65 and 370,399,617.90

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Solution

The fourth proportional to 887,597,999.10, 1,331,396,998.65 and 370,399,617.90 is: 555,599,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,597,999.10 : 1,331,396,998.65 = 370,399,617.90 : x
  2. Step 2: Convert to fraction form
    887,597,999.10/1,331,396,998.65 = 370,399,617.90/x
  3. Step 3: Cross multiply
    887,597,999.10x = 1,331,396,998.65 × 370,399,617.90
  4. Step 4: Simplify right side
    887,597,999.10x = 493,148,939,573,166,848
  5. Step 5: Solve for x
    x = 493,148,939,573,166,848/887,597,999.10
  6. Step 6: Final answer
    x = 555,599,426.85

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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.