Home / 52,007,702,999.70-78,011,554,499.55-12,749,093,447.70

Finding the Fourth Proportional to 52,007,702,999.70, 78,011,554,499.55 and 12,749,093,447.70

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Solution

The fourth proportional to 52,007,702,999.70, 78,011,554,499.55 and 12,749,093,447.70 is: 19,123,640,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,007,702,999.70 : 78,011,554,499.55 = 12,749,093,447.70 : x
  2. Step 2: Convert to fraction form
    52,007,702,999.70/78,011,554,499.55 = 12,749,093,447.70/x
  3. Step 3: Cross multiply
    52,007,702,999.70x = 78,011,554,499.55 × 12,749,093,447.70
  4. Step 4: Simplify right side
    52,007,702,999.70x = 994,576,598,315,104,468,992
  5. Step 5: Solve for x
    x = 994,576,598,315,104,468,992/52,007,702,999.70
  6. Step 6: Final answer
    x = 19,123,640,171.55

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Double scale
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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.