Home / 1,172,605,029.59-1,618,189,059.96-636,751,907.96

Finding the Fourth Proportional to 1,172,605,029.59, 1,618,189,059.96 and 636,751,907.96

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Solution

The fourth proportional to 1,172,605,029.59, 1,618,189,059.96 and 636,751,907.96 is: 878,714,439.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,605,029.59 : 1,618,189,059.96 = 636,751,907.96 : x
  2. Step 2: Convert to fraction form
    1,172,605,029.59/1,618,189,059.96 = 636,751,907.96/x
  3. Step 3: Cross multiply
    1,172,605,029.59x = 1,618,189,059.96 × 636,751,907.96
  4. Step 4: Simplify right side
    1,172,605,029.59x = 1,030,384,971,369,528,960
  5. Step 5: Solve for x
    x = 1,030,384,971,369,528,960/1,172,605,029.59
  6. Step 6: Final answer
    x = 878,714,439.53

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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.