Home / 790,720,654.14-1,185,244,719.39-292,410,965.34

Finding the Fourth Proportional to 790,720,654.14, 1,185,244,719.39 and 292,410,965.34

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Solution

The fourth proportional to 790,720,654.14, 1,185,244,719.39 and 292,410,965.34 is: 438,307,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,720,654.14 : 1,185,244,719.39 = 292,410,965.34 : x
  2. Step 2: Convert to fraction form
    790,720,654.14/1,185,244,719.39 = 292,410,965.34/x
  3. Step 3: Cross multiply
    790,720,654.14x = 1,185,244,719.39 × 292,410,965.34
  4. Step 4: Simplify right side
    790,720,654.14x = 346,578,552,560,967,296
  5. Step 5: Solve for x
    x = 346,578,552,560,967,296/790,720,654.14
  6. Step 6: Final answer
    x = 438,307,195.78

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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.