Home / 1,220,724,059.20-1,831,174,341.62-510,958,791.79

Finding the Fourth Proportional to 1,220,724,059.20, 1,831,174,341.62 and 510,958,791.79

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Solution

The fourth proportional to 1,220,724,059.20, 1,831,174,341.62 and 510,958,791.79 is: 766,475,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,724,059.20 : 1,831,174,341.62 = 510,958,791.79 : x
  2. Step 2: Convert to fraction form
    1,220,724,059.20/1,831,174,341.62 = 510,958,791.79/x
  3. Step 3: Cross multiply
    1,220,724,059.20x = 1,831,174,341.62 × 510,958,791.79
  4. Step 4: Simplify right side
    1,220,724,059.20x = 935,654,629,143,871,232
  5. Step 5: Solve for x
    x = 935,654,629,143,871,232/1,220,724,059.20
  6. Step 6: Final answer
    x = 766,475,127.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.