Home / 14,508,733,461.12-21,771,393,412.32-7,876,901,815.20

Finding the Fourth Proportional to 14,508,733,461.12, 21,771,393,412.32 and 7,876,901,815.20

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Solution

The fourth proportional to 14,508,733,461.12, 21,771,393,412.32 and 7,876,901,815.20 is: 11,819,855,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508,733,461.12 : 21,771,393,412.32 = 7,876,901,815.20 : x
  2. Step 2: Convert to fraction form
    14,508,733,461.12/21,771,393,412.32 = 7,876,901,815.20/x
  3. Step 3: Cross multiply
    14,508,733,461.12x = 21,771,393,412.32 × 7,876,901,815.20
  4. Step 4: Simplify right side
    14,508,733,461.12x = 171,491,128,288,936,722,432
  5. Step 5: Solve for x
    x = 171,491,128,288,936,722,432/14,508,733,461.12
  6. Step 6: Final answer
    x = 11,819,855,175.40

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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.