Home / 14,394,720,139.20-21,592,080,208.80-11,492,343,691.20

Finding the Fourth Proportional to 14,394,720,139.20, 21,592,080,208.80 and 11,492,343,691.20

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Solution

The fourth proportional to 14,394,720,139.20, 21,592,080,208.80 and 11,492,343,691.20 is: 17,238,515,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394,720,139.20 : 21,592,080,208.80 = 11,492,343,691.20 : x
  2. Step 2: Convert to fraction form
    14,394,720,139.20/21,592,080,208.80 = 11,492,343,691.20/x
  3. Step 3: Cross multiply
    14,394,720,139.20x = 21,592,080,208.80 × 11,492,343,691.20
  4. Step 4: Simplify right side
    14,394,720,139.20x = 248,143,606,767,487,057,920
  5. Step 5: Solve for x
    x = 248,143,606,767,487,057,920/14,394,720,139.20
  6. Step 6: Final answer
    x = 17,238,515,536.80

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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.