Home / 283,768,990.46-391,601,033.62-153,388,798.46

Finding the Fourth Proportional to 283,768,990.46, 391,601,033.62 and 153,388,798.46

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Solution

The fourth proportional to 283,768,990.46, 391,601,033.62 and 153,388,798.46 is: 211,676,448.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,768,990.46 : 391,601,033.62 = 153,388,798.46 : x
  2. Step 2: Convert to fraction form
    283,768,990.46/391,601,033.62 = 153,388,798.46/x
  3. Step 3: Cross multiply
    283,768,990.46x = 391,601,033.62 × 153,388,798.46
  4. Step 4: Simplify right side
    283,768,990.46x = 60,067,212,020,324,392
  5. Step 5: Solve for x
    x = 60,067,212,020,324,392/283,768,990.46
  6. Step 6: Final answer
    x = 211,676,448.24

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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.