Home / 517,738,702.20-776,608,053.30-149,272,942.20

Finding the Fourth Proportional to 517,738,702.20, 776,608,053.30 and 149,272,942.20

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Solution

The fourth proportional to 517,738,702.20, 776,608,053.30 and 149,272,942.20 is: 223,909,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,738,702.20 : 776,608,053.30 = 149,272,942.20 : x
  2. Step 2: Convert to fraction form
    517,738,702.20/776,608,053.30 = 149,272,942.20/x
  3. Step 3: Cross multiply
    517,738,702.20x = 776,608,053.30 × 149,272,942.20
  4. Step 4: Simplify right side
    517,738,702.20x = 115,926,569,052,305,408
  5. Step 5: Solve for x
    x = 115,926,569,052,305,408/517,738,702.20
  6. Step 6: Final answer
    x = 223,909,413.30

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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.