Home / 1,122,706,576.73-1,682,737,346.10-458,305,661.50

Finding the Fourth Proportional to 1,122,706,576.73, 1,682,737,346.10 and 458,305,661.50

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Solution

The fourth proportional to 1,122,706,576.73, 1,682,737,346.10 and 458,305,661.50 is: 686,918,620.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,706,576.73 : 1,682,737,346.10 = 458,305,661.50 : x
  2. Step 2: Convert to fraction form
    1,122,706,576.73/1,682,737,346.10 = 458,305,661.50/x
  3. Step 3: Cross multiply
    1,122,706,576.73x = 1,682,737,346.10 × 458,305,661.50
  4. Step 4: Simplify right side
    1,122,706,576.73x = 771,208,052,535,114,880
  5. Step 5: Solve for x
    x = 771,208,052,535,114,880/1,122,706,576.73
  6. Step 6: Final answer
    x = 686,918,620.16

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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.