Home / 221,906,304,534.40-332,859,456,801.60-127,869,307,619.20

Finding the Fourth Proportional to 221,906,304,534.40, 332,859,456,801.60 and 127,869,307,619.20

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Solution

The fourth proportional to 221,906,304,534.40, 332,859,456,801.60 and 127,869,307,619.20 is: 191,803,961,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,906,304,534.40 : 332,859,456,801.60 = 127,869,307,619.20 : x
  2. Step 2: Convert to fraction form
    221,906,304,534.40/332,859,456,801.60 = 127,869,307,619.20/x
  3. Step 3: Cross multiply
    221,906,304,534.40x = 332,859,456,801.60 × 127,869,307,619.20
  4. Step 4: Simplify right side
    221,906,304,534.40x = 42,562,508,275,723,601,444,864
  5. Step 5: Solve for x
    x = 42,562,508,275,723,601,444,864/221,906,304,534.40
  6. Step 6: Final answer
    x = 191,803,961,428.80

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1.5x scale

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.