Home / 5,187,812,189.76-7,153,829,771.94-4,437,608,772.78

Finding the Fourth Proportional to 5,187,812,189.76, 7,153,829,771.94 and 4,437,608,772.78

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Solution

The fourth proportional to 5,187,812,189.76, 7,153,829,771.94 and 4,437,608,772.78 is: 6,119,322,865.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187,812,189.76 : 7,153,829,771.94 = 4,437,608,772.78 : x
  2. Step 2: Convert to fraction form
    5,187,812,189.76/7,153,829,771.94 = 4,437,608,772.78/x
  3. Step 3: Cross multiply
    5,187,812,189.76x = 7,153,829,771.94 × 4,437,608,772.78
  4. Step 4: Simplify right side
    5,187,812,189.76x = 31,745,897,754,935,685,120
  5. Step 5: Solve for x
    x = 31,745,897,754,935,685,120/5,187,812,189.76
  6. Step 6: Final answer
    x = 6,119,322,865.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.