Home / 786,624,418.40-1,179,936,627.60-541,736,405.60

Finding the Fourth Proportional to 786,624,418.40, 1,179,936,627.60 and 541,736,405.60

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Solution

The fourth proportional to 786,624,418.40, 1,179,936,627.60 and 541,736,405.60 is: 812,604,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,624,418.40 : 1,179,936,627.60 = 541,736,405.60 : x
  2. Step 2: Convert to fraction form
    786,624,418.40/1,179,936,627.60 = 541,736,405.60/x
  3. Step 3: Cross multiply
    786,624,418.40x = 1,179,936,627.60 × 541,736,405.60
  4. Step 4: Simplify right side
    786,624,418.40x = 639,214,627,471,809,792
  5. Step 5: Solve for x
    x = 639,214,627,471,809,792/786,624,418.40
  6. Step 6: Final answer
    x = 812,604,608.40

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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.