Home / 493,974,015.93-739,973,041.78-297,128,767.75

Finding the Fourth Proportional to 493,974,015.93, 739,973,041.78 and 297,128,767.75

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Solution

The fourth proportional to 493,974,015.93, 739,973,041.78 and 297,128,767.75 is: 445,098,873.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,974,015.93 : 739,973,041.78 = 297,128,767.75 : x
  2. Step 2: Convert to fraction form
    493,974,015.93/739,973,041.78 = 297,128,767.75/x
  3. Step 3: Cross multiply
    493,974,015.93x = 739,973,041.78 × 297,128,767.75
  4. Step 4: Simplify right side
    493,974,015.93x = 219,867,278,072,310,656
  5. Step 5: Solve for x
    x = 219,867,278,072,310,656/493,974,015.93
  6. Step 6: Final answer
    x = 445,098,873.59

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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.