Home / 804,009,018.24-1,205,497,365-312,198,237.96

Finding the Fourth Proportional to 804,009,018.24, 1,205,497,365 and 312,198,237.96

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Solution

The fourth proportional to 804,009,018.24, 1,205,497,365 and 312,198,237.96 is: 468,096,930.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,009,018.24 : 1,205,497,365 = 312,198,237.96 : x
  2. Step 2: Convert to fraction form
    804,009,018.24/1,205,497,365 = 312,198,237.96/x
  3. Step 3: Cross multiply
    804,009,018.24x = 1,205,497,365 × 312,198,237.96
  4. Step 4: Simplify right side
    804,009,018.24x = 376,354,153,218,422,976
  5. Step 5: Solve for x
    x = 376,354,153,218,422,976/804,009,018.24
  6. Step 6: Final answer
    x = 468,096,930.11

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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.