Home / 697,795,336.32-962,963,932.44-384,540,789.84

Finding the Fourth Proportional to 697,795,336.32, 962,963,932.44 and 384,540,789.84

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Solution

The fourth proportional to 697,795,336.32, 962,963,932.44 and 384,540,789.84 is: 530,669,799.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,795,336.32 : 962,963,932.44 = 384,540,789.84 : x
  2. Step 2: Convert to fraction form
    697,795,336.32/962,963,932.44 = 384,540,789.84/x
  3. Step 3: Cross multiply
    697,795,336.32x = 962,963,932.44 × 384,540,789.84
  4. Step 4: Simplify right side
    697,795,336.32x = 370,298,911,167,910,016
  5. Step 5: Solve for x
    x = 370,298,911,167,910,016/697,795,336.32
  6. Step 6: Final answer
    x = 530,669,799.43

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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.