Home / 999,620,636.96-1,500,398,173.20-482,415,160.16

Finding the Fourth Proportional to 999,620,636.96, 1,500,398,173.20 and 482,415,160.16

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Solution

The fourth proportional to 999,620,636.96, 1,500,398,173.20 and 482,415,160.16 is: 724,089,517.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,620,636.96 : 1,500,398,173.20 = 482,415,160.16 : x
  2. Step 2: Convert to fraction form
    999,620,636.96/1,500,398,173.20 = 482,415,160.16/x
  3. Step 3: Cross multiply
    999,620,636.96x = 1,500,398,173.20 × 482,415,160.16
  4. Step 4: Simplify right side
    999,620,636.96x = 723,814,825,028,049,536
  5. Step 5: Solve for x
    x = 723,814,825,028,049,536/999,620,636.96
  6. Step 6: Final answer
    x = 724,089,517.83

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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.