Home / 698,162,664.66-1,046,928,847.56-200,059,248.72

Finding the Fourth Proportional to 698,162,664.66, 1,046,928,847.56 and 200,059,248.72

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Solution

The fourth proportional to 698,162,664.66, 1,046,928,847.56 and 200,059,248.72 is: 299,998,566.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,162,664.66 : 1,046,928,847.56 = 200,059,248.72 : x
  2. Step 2: Convert to fraction form
    698,162,664.66/1,046,928,847.56 = 200,059,248.72/x
  3. Step 3: Cross multiply
    698,162,664.66x = 1,046,928,847.56 × 200,059,248.72
  4. Step 4: Simplify right side
    698,162,664.66x = 209,447,798,706,148,992
  5. Step 5: Solve for x
    x = 209,447,798,706,148,992/698,162,664.66
  6. Step 6: Final answer
    x = 299,998,566.68

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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.