Home / 397,176,006.60-595,764,009.90-306,476,742.60

Finding the Fourth Proportional to 397,176,006.60, 595,764,009.90 and 306,476,742.60

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Solution

The fourth proportional to 397,176,006.60, 595,764,009.90 and 306,476,742.60 is: 459,715,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,176,006.60 : 595,764,009.90 = 306,476,742.60 : x
  2. Step 2: Convert to fraction form
    397,176,006.60/595,764,009.90 = 306,476,742.60/x
  3. Step 3: Cross multiply
    397,176,006.60x = 595,764,009.90 × 306,476,742.60
  4. Step 4: Simplify right side
    397,176,006.60x = 182,587,813,112,466,144
  5. Step 5: Solve for x
    x = 182,587,813,112,466,144/397,176,006.60
  6. Step 6: Final answer
    x = 459,715,113.90

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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.