Home / 550,468,632.10-825,702,948.15-305,580,619.30

Finding the Fourth Proportional to 550,468,632.10, 825,702,948.15 and 305,580,619.30

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Solution

The fourth proportional to 550,468,632.10, 825,702,948.15 and 305,580,619.30 is: 458,370,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,468,632.10 : 825,702,948.15 = 305,580,619.30 : x
  2. Step 2: Convert to fraction form
    550,468,632.10/825,702,948.15 = 305,580,619.30/x
  3. Step 3: Cross multiply
    550,468,632.10x = 825,702,948.15 × 305,580,619.30
  4. Step 4: Simplify right side
    550,468,632.10x = 252,318,818,253,512,800
  5. Step 5: Solve for x
    x = 252,318,818,253,512,800/550,468,632.10
  6. Step 6: Final answer
    x = 458,370,928.95

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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.