Home / 37,821,170,299.95-56,731,755,453.84-12,638,887,193.64

Finding the Fourth Proportional to 37,821,170,299.95, 56,731,755,453.84 and 12,638,887,193.64

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Solution

The fourth proportional to 37,821,170,299.95, 56,731,755,453.84 and 12,638,887,193.64 is: 18,958,330,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,821,170,299.95 : 56,731,755,453.84 = 12,638,887,193.64 : x
  2. Step 2: Convert to fraction form
    37,821,170,299.95/56,731,755,453.84 = 12,638,887,193.64/x
  3. Step 3: Cross multiply
    37,821,170,299.95x = 56,731,755,453.84 × 12,638,887,193.64
  4. Step 4: Simplify right side
    37,821,170,299.95x = 717,026,257,478,254,460,928
  5. Step 5: Solve for x
    x = 717,026,257,478,254,460,928/37,821,170,299.95
  6. Step 6: Final answer
    x = 18,958,330,791.77

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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.