Home / 52,380,820,511.89-78,571,230,679.16-12,586,595,355.25

Finding the Fourth Proportional to 52,380,820,511.89, 78,571,230,679.16 and 12,586,595,355.25

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Solution

The fourth proportional to 52,380,820,511.89, 78,571,230,679.16 and 12,586,595,355.25 is: 18,879,893,011.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,380,820,511.89 : 78,571,230,679.16 = 12,586,595,355.25 : x
  2. Step 2: Convert to fraction form
    52,380,820,511.89/78,571,230,679.16 = 12,586,595,355.25/x
  3. Step 3: Cross multiply
    52,380,820,511.89x = 78,571,230,679.16 × 12,586,595,355.25
  4. Step 4: Simplify right side
    52,380,820,511.89x = 988,944,287,122,723,700,736
  5. Step 5: Solve for x
    x = 988,944,287,122,723,700,736/52,380,820,511.89
  6. Step 6: Final answer
    x = 18,879,893,011.57

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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.