Home / 13,488,892,282.57-18,613,933,887.84-7,384,063,855.44

Finding the Fourth Proportional to 13,488,892,282.57, 18,613,933,887.84 and 7,384,063,855.44

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Solution

The fourth proportional to 13,488,892,282.57, 18,613,933,887.84 and 7,384,063,855.44 is: 10,189,604,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,892,282.57 : 18,613,933,887.84 = 7,384,063,855.44 : x
  2. Step 2: Convert to fraction form
    13,488,892,282.57/18,613,933,887.84 = 7,384,063,855.44/x
  3. Step 3: Cross multiply
    13,488,892,282.57x = 18,613,933,887.84 × 7,384,063,855.44
  4. Step 4: Simplify right side
    13,488,892,282.57x = 137,446,476,428,749,094,912
  5. Step 5: Solve for x
    x = 137,446,476,428,749,094,912/13,488,892,282.57
  6. Step 6: Final answer
    x = 10,189,604,420.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.