Home / 6,728,876,999.70-10,102,403,140.65-3,933,709,916.10

Finding the Fourth Proportional to 6,728,876,999.70, 10,102,403,140.65 and 3,933,709,916.10

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Solution

The fourth proportional to 6,728,876,999.70, 10,102,403,140.65 and 3,933,709,916.10 is: 5,905,877,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728,876,999.70 : 10,102,403,140.65 = 3,933,709,916.10 : x
  2. Step 2: Convert to fraction form
    6,728,876,999.70/10,102,403,140.65 = 3,933,709,916.10/x
  3. Step 3: Cross multiply
    6,728,876,999.70x = 10,102,403,140.65 × 3,933,709,916.10
  4. Step 4: Simplify right side
    6,728,876,999.70x = 39,739,923,410,814,689,280
  5. Step 5: Solve for x
    x = 39,739,923,410,814,689,280/6,728,876,999.70
  6. Step 6: Final answer
    x = 5,905,877,520.51

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1.5x scale

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.