Home / 845,008,212.86-1,266,617,722.12-284,236,199.85

Finding the Fourth Proportional to 845,008,212.86, 1,266,617,722.12 and 284,236,199.85

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Solution

The fourth proportional to 845,008,212.86, 1,266,617,722.12 and 284,236,199.85 is: 426,053,383.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,008,212.86 : 1,266,617,722.12 = 284,236,199.85 : x
  2. Step 2: Convert to fraction form
    845,008,212.86/1,266,617,722.12 = 284,236,199.85/x
  3. Step 3: Cross multiply
    845,008,212.86x = 1,266,617,722.12 × 284,236,199.85
  4. Step 4: Simplify right side
    845,008,212.86x = 360,018,607,998,052,096
  5. Step 5: Solve for x
    x = 360,018,607,998,052,096/845,008,212.86
  6. Step 6: Final answer
    x = 426,053,383.29

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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.