Home / 930,883,493.37-1,395,905,040.78-266,745,605.43

Finding the Fourth Proportional to 930,883,493.37, 1,395,905,040.78 and 266,745,605.43

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Solution

The fourth proportional to 930,883,493.37, 1,395,905,040.78 and 266,745,605.43 is: 399,997,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,883,493.37 : 1,395,905,040.78 = 266,745,605.43 : x
  2. Step 2: Convert to fraction form
    930,883,493.37/1,395,905,040.78 = 266,745,605.43/x
  3. Step 3: Cross multiply
    930,883,493.37x = 1,395,905,040.78 × 266,745,605.43
  4. Step 4: Simplify right side
    930,883,493.37x = 372,351,535,225,649,920
  5. Step 5: Solve for x
    x = 372,351,535,225,649,920/930,883,493.37
  6. Step 6: Final answer
    x = 399,997,999.62

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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.