Home / 5,263,523,038.72-7,886,978,701.44-1,942,766,997.76

Finding the Fourth Proportional to 5,263,523,038.72, 7,886,978,701.44 and 1,942,766,997.76

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Solution

The fourth proportional to 5,263,523,038.72, 7,886,978,701.44 and 1,942,766,997.76 is: 2,911,084,803.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263,523,038.72 : 7,886,978,701.44 = 1,942,766,997.76 : x
  2. Step 2: Convert to fraction form
    5,263,523,038.72/7,886,978,701.44 = 1,942,766,997.76/x
  3. Step 3: Cross multiply
    5,263,523,038.72x = 7,886,978,701.44 × 1,942,766,997.76
  4. Step 4: Simplify right side
    5,263,523,038.72x = 15,322,561,933,193,652,224
  5. Step 5: Solve for x
    x = 15,322,561,933,193,652,224/5,263,523,038.72
  6. Step 6: Final answer
    x = 2,911,084,803.94

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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.