Home / 679,945,289.20-1,019,917,933.80-531,992,114.80

Finding the Fourth Proportional to 679,945,289.20, 1,019,917,933.80 and 531,992,114.80

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Solution

The fourth proportional to 679,945,289.20, 1,019,917,933.80 and 531,992,114.80 is: 797,988,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,945,289.20 : 1,019,917,933.80 = 531,992,114.80 : x
  2. Step 2: Convert to fraction form
    679,945,289.20/1,019,917,933.80 = 531,992,114.80/x
  3. Step 3: Cross multiply
    679,945,289.20x = 1,019,917,933.80 × 531,992,114.80
  4. Step 4: Simplify right side
    679,945,289.20x = 542,588,298,524,708,416
  5. Step 5: Solve for x
    x = 542,588,298,524,708,416/679,945,289.20
  6. Step 6: Final answer
    x = 797,988,172.20

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Double scale
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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.