Home / 697,795,255.45-962,963,821.07-384,540,708.97

Finding the Fourth Proportional to 697,795,255.45, 962,963,821.07 and 384,540,708.97

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Solution

The fourth proportional to 697,795,255.45, 962,963,821.07 and 384,540,708.97 is: 530,669,687.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,795,255.45 : 962,963,821.07 = 384,540,708.97 : x
  2. Step 2: Convert to fraction form
    697,795,255.45/962,963,821.07 = 384,540,708.97/x
  3. Step 3: Cross multiply
    697,795,255.45x = 962,963,821.07 × 384,540,708.97
  4. Step 4: Simplify right side
    697,795,255.45x = 370,298,790,466,718,080
  5. Step 5: Solve for x
    x = 370,298,790,466,718,080/697,795,255.45
  6. Step 6: Final answer
    x = 530,669,687.96

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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.