Home / 841,131,930.48-1,259,637,566.76-694,669,415.28

Finding the Fourth Proportional to 841,131,930.48, 1,259,637,566.76 and 694,669,415.28

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Solution

The fourth proportional to 841,131,930.48, 1,259,637,566.76 and 694,669,415.28 is: 1,040,302,549.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,131,930.48 : 1,259,637,566.76 = 694,669,415.28 : x
  2. Step 2: Convert to fraction form
    841,131,930.48/1,259,637,566.76 = 694,669,415.28/x
  3. Step 3: Cross multiply
    841,131,930.48x = 1,259,637,566.76 × 694,669,415.28
  4. Step 4: Simplify right side
    841,131,930.48x = 875,031,691,965,891,072
  5. Step 5: Solve for x
    x = 875,031,691,965,891,072/841,131,930.48
  6. Step 6: Final answer
    x = 1,040,302,549.76

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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.