Home / 1,212,372,635.70-1,818,558,953.55-523,625,099.70

Finding the Fourth Proportional to 1,212,372,635.70, 1,818,558,953.55 and 523,625,099.70

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Solution

The fourth proportional to 1,212,372,635.70, 1,818,558,953.55 and 523,625,099.70 is: 785,437,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,372,635.70 : 1,818,558,953.55 = 523,625,099.70 : x
  2. Step 2: Convert to fraction form
    1,212,372,635.70/1,818,558,953.55 = 523,625,099.70/x
  3. Step 3: Cross multiply
    1,212,372,635.70x = 1,818,558,953.55 × 523,625,099.70
  4. Step 4: Simplify right side
    1,212,372,635.70x = 952,243,113,362,946,432
  5. Step 5: Solve for x
    x = 952,243,113,362,946,432/1,212,372,635.70
  6. Step 6: Final answer
    x = 785,437,649.55

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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.