Home / 774,507,442.66-1,162,104,238.70-405,954,806.82

Finding the Fourth Proportional to 774,507,442.66, 1,162,104,238.70 and 405,954,806.82

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Solution

The fourth proportional to 774,507,442.66, 1,162,104,238.70 and 405,954,806.82 is: 609,112,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,507,442.66 : 1,162,104,238.70 = 405,954,806.82 : x
  2. Step 2: Convert to fraction form
    774,507,442.66/1,162,104,238.70 = 405,954,806.82/x
  3. Step 3: Cross multiply
    774,507,442.66x = 1,162,104,238.70 × 405,954,806.82
  4. Step 4: Simplify right side
    774,507,442.66x = 471,761,801,726,161,664
  5. Step 5: Solve for x
    x = 471,761,801,726,161,664/774,507,442.66
  6. Step 6: Final answer
    x = 609,112,031.39

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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.