Home / 12,399,834,438.30-18,599,751,657.45-4,536,633,402.30

Finding the Fourth Proportional to 12,399,834,438.30, 18,599,751,657.45 and 4,536,633,402.30

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Solution

The fourth proportional to 12,399,834,438.30, 18,599,751,657.45 and 4,536,633,402.30 is: 6,804,950,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399,834,438.30 : 18,599,751,657.45 = 4,536,633,402.30 : x
  2. Step 2: Convert to fraction form
    12,399,834,438.30/18,599,751,657.45 = 4,536,633,402.30/x
  3. Step 3: Cross multiply
    12,399,834,438.30x = 18,599,751,657.45 × 4,536,633,402.30
  4. Step 4: Simplify right side
    12,399,834,438.30x = 84,380,254,643,672,465,408
  5. Step 5: Solve for x
    x = 84,380,254,643,672,465,408/12,399,834,438.30
  6. Step 6: Final answer
    x = 6,804,950,103.45

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Double scale
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1.5x scale

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.