Home / 12,378,963,608.20-18,568,445,412.30-11,236,152,881.80

Finding the Fourth Proportional to 12,378,963,608.20, 18,568,445,412.30 and 11,236,152,881.80

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Solution

The fourth proportional to 12,378,963,608.20, 18,568,445,412.30 and 11,236,152,881.80 is: 16,854,229,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,378,963,608.20 : 18,568,445,412.30 = 11,236,152,881.80 : x
  2. Step 2: Convert to fraction form
    12,378,963,608.20/18,568,445,412.30 = 11,236,152,881.80/x
  3. Step 3: Cross multiply
    12,378,963,608.20x = 18,568,445,412.30 × 11,236,152,881.80
  4. Step 4: Simplify right side
    12,378,963,608.20x = 208,637,891,429,960,613,888
  5. Step 5: Solve for x
    x = 208,637,891,429,960,613,888/12,378,963,608.20
  6. Step 6: Final answer
    x = 16,854,229,322.70

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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.