Home / 1,192,271,324.80-1,645,334,504.10-663,623,930.56

Finding the Fourth Proportional to 1,192,271,324.80, 1,645,334,504.10 and 663,623,930.56

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Solution

The fourth proportional to 1,192,271,324.80, 1,645,334,504.10 and 663,623,930.56 is: 915,801,066.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,271,324.80 : 1,645,334,504.10 = 663,623,930.56 : x
  2. Step 2: Convert to fraction form
    1,192,271,324.80/1,645,334,504.10 = 663,623,930.56/x
  3. Step 3: Cross multiply
    1,192,271,324.80x = 1,645,334,504.10 × 663,623,930.56
  4. Step 4: Simplify right side
    1,192,271,324.80x = 1,091,883,350,696,830,336
  5. Step 5: Solve for x
    x = 1,091,883,350,696,830,336/1,192,271,324.80
  6. Step 6: Final answer
    x = 915,801,066.41

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Double scale
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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.