Home / 1,090,446,773.80-1,635,670,160.70-655,090,306.60

Finding the Fourth Proportional to 1,090,446,773.80, 1,635,670,160.70 and 655,090,306.60

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Solution

The fourth proportional to 1,090,446,773.80, 1,635,670,160.70 and 655,090,306.60 is: 982,635,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,446,773.80 : 1,635,670,160.70 = 655,090,306.60 : x
  2. Step 2: Convert to fraction form
    1,090,446,773.80/1,635,670,160.70 = 655,090,306.60/x
  3. Step 3: Cross multiply
    1,090,446,773.80x = 1,635,670,160.70 × 655,090,306.60
  4. Step 4: Simplify right side
    1,090,446,773.80x = 1,071,511,667,069,434,368
  5. Step 5: Solve for x
    x = 1,071,511,667,069,434,368/1,090,446,773.80
  6. Step 6: Final answer
    x = 982,635,459.90

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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.