Home / 979,876,311.20-1,468,113,855.60-634,652,237.60

Finding the Fourth Proportional to 979,876,311.20, 1,468,113,855.60 and 634,652,237.60

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Solution

The fourth proportional to 979,876,311.20, 1,468,113,855.60 and 634,652,237.60 is: 950,876,894.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,876,311.20 : 1,468,113,855.60 = 634,652,237.60 : x
  2. Step 2: Convert to fraction form
    979,876,311.20/1,468,113,855.60 = 634,652,237.60/x
  3. Step 3: Cross multiply
    979,876,311.20x = 1,468,113,855.60 × 634,652,237.60
  4. Step 4: Simplify right side
    979,876,311.20x = 931,741,743,508,103,296
  5. Step 5: Solve for x
    x = 931,741,743,508,103,296/979,876,311.20
  6. Step 6: Final answer
    x = 950,876,894.21

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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.