Home / 5,105,281,317.02-7,045,288,231.05-2,758,437,861.02

Finding the Fourth Proportional to 5,105,281,317.02, 7,045,288,231.05 and 2,758,437,861.02

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Solution

The fourth proportional to 5,105,281,317.02, 7,045,288,231.05 and 2,758,437,861.02 is: 3,806,644,255.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,281,317.02 : 7,045,288,231.05 = 2,758,437,861.02 : x
  2. Step 2: Convert to fraction form
    5,105,281,317.02/7,045,288,231.05 = 2,758,437,861.02/x
  3. Step 3: Cross multiply
    5,105,281,317.02x = 7,045,288,231.05 × 2,758,437,861.02
  4. Step 4: Simplify right side
    5,105,281,317.02x = 19,433,989,798,325,743,616
  5. Step 5: Solve for x
    x = 19,433,989,798,325,743,616/5,105,281,317.02
  6. Step 6: Final answer
    x = 3,806,644,255.53

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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.