Home / 731,253,186.60-1,009,129,408.74-417,994,186.92

Finding the Fourth Proportional to 731,253,186.60, 1,009,129,408.74 and 417,994,186.92

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Solution

The fourth proportional to 731,253,186.60, 1,009,129,408.74 and 417,994,186.92 is: 576,831,984.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,253,186.60 : 1,009,129,408.74 = 417,994,186.92 : x
  2. Step 2: Convert to fraction form
    731,253,186.60/1,009,129,408.74 = 417,994,186.92/x
  3. Step 3: Cross multiply
    731,253,186.60x = 1,009,129,408.74 × 417,994,186.92
  4. Step 4: Simplify right side
    731,253,186.60x = 421,810,226,703,336,640
  5. Step 5: Solve for x
    x = 421,810,226,703,336,640/731,253,186.60
  6. Step 6: Final answer
    x = 576,831,984.37

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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.