Home / 545,360,912.20-752,616,628.74-322,533,605.80

Finding the Fourth Proportional to 545,360,912.20, 752,616,628.74 and 322,533,605.80

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Solution

The fourth proportional to 545,360,912.20, 752,616,628.74 and 322,533,605.80 is: 445,107,358.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,360,912.20 : 752,616,628.74 = 322,533,605.80 : x
  2. Step 2: Convert to fraction form
    545,360,912.20/752,616,628.74 = 322,533,605.80/x
  3. Step 3: Cross multiply
    545,360,912.20x = 752,616,628.74 × 322,533,605.80
  4. Step 4: Simplify right side
    545,360,912.20x = 242,744,155,052,552,128
  5. Step 5: Solve for x
    x = 242,744,155,052,552,128/545,360,912.20
  6. Step 6: Final answer
    x = 445,107,358.49

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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.