Home / 34,508,818,813.28-51,768,403,936.43-12,120,621,123.42

Finding the Fourth Proportional to 34,508,818,813.28, 51,768,403,936.43 and 12,120,621,123.42

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Solution

The fourth proportional to 34,508,818,813.28, 51,768,403,936.43 and 12,120,621,123.42 is: 18,182,749,565.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,508,818,813.28 : 51,768,403,936.43 = 12,120,621,123.42 : x
  2. Step 2: Convert to fraction form
    34,508,818,813.28/51,768,403,936.43 = 12,120,621,123.42/x
  3. Step 3: Cross multiply
    34,508,818,813.28x = 51,768,403,936.43 × 12,120,621,123.42
  4. Step 4: Simplify right side
    34,508,818,813.28x = 627,465,210,277,571,985,408
  5. Step 5: Solve for x
    x = 627,465,210,277,571,985,408/34,508,818,813.28
  6. Step 6: Final answer
    x = 18,182,749,565.34

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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.