Home / 1,679,618,085.60-2,519,427,128.40-1,265,760,703.20

Finding the Fourth Proportional to 1,679,618,085.60, 2,519,427,128.40 and 1,265,760,703.20

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Solution

The fourth proportional to 1,679,618,085.60, 2,519,427,128.40 and 1,265,760,703.20 is: 1,898,641,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,618,085.60 : 2,519,427,128.40 = 1,265,760,703.20 : x
  2. Step 2: Convert to fraction form
    1,679,618,085.60/2,519,427,128.40 = 1,265,760,703.20/x
  3. Step 3: Cross multiply
    1,679,618,085.60x = 2,519,427,128.40 × 1,265,760,703.20
  4. Step 4: Simplify right side
    1,679,618,085.60x = 3,188,991,853,704,740,864
  5. Step 5: Solve for x
    x = 3,188,991,853,704,740,864/1,679,618,085.60
  6. Step 6: Final answer
    x = 1,898,641,054.80

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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.