Home / 2,520,368,225.78-3,780,521,928.02-654,848,849.57

Finding the Fourth Proportional to 2,520,368,225.78, 3,780,521,928.02 and 654,848,849.57

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Solution

The fourth proportional to 2,520,368,225.78, 3,780,521,928.02 and 654,848,849.57 is: 982,265,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,368,225.78 : 3,780,521,928.02 = 654,848,849.57 : x
  2. Step 2: Convert to fraction form
    2,520,368,225.78/3,780,521,928.02 = 654,848,849.57/x
  3. Step 3: Cross multiply
    2,520,368,225.78x = 3,780,521,928.02 × 654,848,849.57
  4. Step 4: Simplify right side
    2,520,368,225.78x = 2,475,670,435,320,855,552
  5. Step 5: Solve for x
    x = 2,475,670,435,320,855,552/2,520,368,225.78
  6. Step 6: Final answer
    x = 982,265,372.97

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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.