Home / 731,253,188.10-1,009,129,410.81-417,994,188.42

Finding the Fourth Proportional to 731,253,188.10, 1,009,129,410.81 and 417,994,188.42

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Solution

The fourth proportional to 731,253,188.10, 1,009,129,410.81 and 417,994,188.42 is: 576,831,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,253,188.10 : 1,009,129,410.81 = 417,994,188.42 : x
  2. Step 2: Convert to fraction form
    731,253,188.10/1,009,129,410.81 = 417,994,188.42/x
  3. Step 3: Cross multiply
    731,253,188.10x = 1,009,129,410.81 × 417,994,188.42
  4. Step 4: Simplify right side
    731,253,188.10x = 421,810,229,082,278,720
  5. Step 5: Solve for x
    x = 421,810,229,082,278,720/731,253,188.10
  6. Step 6: Final answer
    x = 576,831,986.44

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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.