Home / 1,080,963,722,344.90-1,491,631,338,649.60-641,425,356,545.22

Finding the Fourth Proportional to 1,080,963,722,344.90, 1,491,631,338,649.60 and 641,425,356,545.22

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Solution

The fourth proportional to 1,080,963,722,344.90, 1,491,631,338,649.60 and 641,425,356,545.22 is: 885,108,485,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,963,722,344.90 : 1,491,631,338,649.60 = 641,425,356,545.22 : x
  2. Step 2: Convert to fraction form
    1,080,963,722,344.90/1,491,631,338,649.60 = 641,425,356,545.22/x
  3. Step 3: Cross multiply
    1,080,963,722,344.90x = 1,491,631,338,649.60 × 641,425,356,545.22
  4. Step 4: Simplify right side
    1,080,963,722,344.90x = 956,770,163,227,343,445,819,392
  5. Step 5: Solve for x
    x = 956,770,163,227,343,445,819,392/1,080,963,722,344.90
  6. Step 6: Final answer
    x = 885,108,485,557.55

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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.