Home / 1,172,605,027.09-1,618,189,056.51-636,751,905.46

Finding the Fourth Proportional to 1,172,605,027.09, 1,618,189,056.51 and 636,751,905.46

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Solution

The fourth proportional to 1,172,605,027.09, 1,618,189,056.51 and 636,751,905.46 is: 878,714,436.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,605,027.09 : 1,618,189,056.51 = 636,751,905.46 : x
  2. Step 2: Convert to fraction form
    1,172,605,027.09/1,618,189,056.51 = 636,751,905.46/x
  3. Step 3: Cross multiply
    1,172,605,027.09x = 1,618,189,056.51 × 636,751,905.46
  4. Step 4: Simplify right side
    1,172,605,027.09x = 1,030,384,965,127,262,208
  5. Step 5: Solve for x
    x = 1,030,384,965,127,262,208/1,172,605,027.09
  6. Step 6: Final answer
    x = 878,714,436.08

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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.