Home / 697,729,517.85-962,823,350.38-384,446,200.17

Finding the Fourth Proportional to 697,729,517.85, 962,823,350.38 and 384,446,200.17

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Solution

The fourth proportional to 697,729,517.85, 962,823,350.38 and 384,446,200.17 is: 530,511,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,729,517.85 : 962,823,350.38 = 384,446,200.17 : x
  2. Step 2: Convert to fraction form
    697,729,517.85/962,823,350.38 = 384,446,200.17/x
  3. Step 3: Cross multiply
    697,729,517.85x = 962,823,350.38 × 384,446,200.17
  4. Step 4: Simplify right side
    697,729,517.85x = 370,153,778,488,539,520
  5. Step 5: Solve for x
    x = 370,153,778,488,539,520/697,729,517.85
  6. Step 6: Final answer
    x = 530,511,851.68

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1.5x scale

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.