Home / 1,198,120,450.56-1,653,570,472.32-689,472,710.88

Finding the Fourth Proportional to 1,198,120,450.56, 1,653,570,472.32 and 689,472,710.88

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Solution

The fourth proportional to 1,198,120,450.56, 1,653,570,472.32 and 689,472,710.88 is: 951,566,860.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,120,450.56 : 1,653,570,472.32 = 689,472,710.88 : x
  2. Step 2: Convert to fraction form
    1,198,120,450.56/1,653,570,472.32 = 689,472,710.88/x
  3. Step 3: Cross multiply
    1,198,120,450.56x = 1,653,570,472.32 × 689,472,710.88
  4. Step 4: Simplify right side
    1,198,120,450.56x = 1,140,091,716,181,592,320
  5. Step 5: Solve for x
    x = 1,140,091,716,181,592,320/1,198,120,450.56
  6. Step 6: Final answer
    x = 951,566,860.95

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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.