Home / 993,503,231,998.80-1,490,254,847,998.20-396,968,126,053.20

Finding the Fourth Proportional to 993,503,231,998.80, 1,490,254,847,998.20 and 396,968,126,053.20

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Solution

The fourth proportional to 993,503,231,998.80, 1,490,254,847,998.20 and 396,968,126,053.20 is: 595,452,189,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,503,231,998.80 : 1,490,254,847,998.20 = 396,968,126,053.20 : x
  2. Step 2: Convert to fraction form
    993,503,231,998.80/1,490,254,847,998.20 = 396,968,126,053.20/x
  3. Step 3: Cross multiply
    993,503,231,998.80x = 1,490,254,847,998.20 × 396,968,126,053.20
  4. Step 4: Simplify right side
    993,503,231,998.80x = 591,583,674,351,541,886,648,320
  5. Step 5: Solve for x
    x = 591,583,674,351,541,886,648,320/993,503,231,998.80
  6. Step 6: Final answer
    x = 595,452,189,079.80

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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.