Home / 1,119,720,429.60-1,679,580,644.40-568,722,400.80

Finding the Fourth Proportional to 1,119,720,429.60, 1,679,580,644.40 and 568,722,400.80

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Solution

The fourth proportional to 1,119,720,429.60, 1,679,580,644.40 and 568,722,400.80 is: 853,083,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,720,429.60 : 1,679,580,644.40 = 568,722,400.80 : x
  2. Step 2: Convert to fraction form
    1,119,720,429.60/1,679,580,644.40 = 568,722,400.80/x
  3. Step 3: Cross multiply
    1,119,720,429.60x = 1,679,580,644.40 × 568,722,400.80
  4. Step 4: Simplify right side
    1,119,720,429.60x = 955,215,136,420,379,008
  5. Step 5: Solve for x
    x = 955,215,136,420,379,008/1,119,720,429.60
  6. Step 6: Final answer
    x = 853,083,601.20

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1.5x scale

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.