Home / 889,726,474.80-1,334,589,712.20-243,494,218.80

Finding the Fourth Proportional to 889,726,474.80, 1,334,589,712.20 and 243,494,218.80

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Solution

The fourth proportional to 889,726,474.80, 1,334,589,712.20 and 243,494,218.80 is: 365,241,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,726,474.80 : 1,334,589,712.20 = 243,494,218.80 : x
  2. Step 2: Convert to fraction form
    889,726,474.80/1,334,589,712.20 = 243,494,218.80/x
  3. Step 3: Cross multiply
    889,726,474.80x = 1,334,589,712.20 × 243,494,218.80
  4. Step 4: Simplify right side
    889,726,474.80x = 324,964,879,390,655,872
  5. Step 5: Solve for x
    x = 324,964,879,390,655,872/889,726,474.80
  6. Step 6: Final answer
    x = 365,241,328.20

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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.