Home / 673,986,085.60-1,010,979,128.40-551,542,079.20

Finding the Fourth Proportional to 673,986,085.60, 1,010,979,128.40 and 551,542,079.20

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Solution

The fourth proportional to 673,986,085.60, 1,010,979,128.40 and 551,542,079.20 is: 827,313,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,986,085.60 : 1,010,979,128.40 = 551,542,079.20 : x
  2. Step 2: Convert to fraction form
    673,986,085.60/1,010,979,128.40 = 551,542,079.20/x
  3. Step 3: Cross multiply
    673,986,085.60x = 1,010,979,128.40 × 551,542,079.20
  4. Step 4: Simplify right side
    673,986,085.60x = 557,597,530,505,539,776
  5. Step 5: Solve for x
    x = 557,597,530,505,539,776/673,986,085.60
  6. Step 6: Final answer
    x = 827,313,118.80

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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.