Home / 1,028,702,811.18-1,419,648,903.05-576,589,134.78

Finding the Fourth Proportional to 1,028,702,811.18, 1,419,648,903.05 and 576,589,134.78

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Solution

The fourth proportional to 1,028,702,811.18, 1,419,648,903.05 and 576,589,134.78 is: 795,714,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,702,811.18 : 1,419,648,903.05 = 576,589,134.78 : x
  2. Step 2: Convert to fraction form
    1,028,702,811.18/1,419,648,903.05 = 576,589,134.78/x
  3. Step 3: Cross multiply
    1,028,702,811.18x = 1,419,648,903.05 × 576,589,134.78
  4. Step 4: Simplify right side
    1,028,702,811.18x = 818,554,132,698,092,672
  5. Step 5: Solve for x
    x = 818,554,132,698,092,672/1,028,702,811.18
  6. Step 6: Final answer
    x = 795,714,878.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.