Home / 283,768,992.70-391,601,036.72-153,388,800.70

Finding the Fourth Proportional to 283,768,992.70, 391,601,036.72 and 153,388,800.70

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Solution

The fourth proportional to 283,768,992.70, 391,601,036.72 and 153,388,800.70 is: 211,676,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,768,992.70 : 391,601,036.72 = 153,388,800.70 : x
  2. Step 2: Convert to fraction form
    283,768,992.70/391,601,036.72 = 153,388,800.70/x
  3. Step 3: Cross multiply
    283,768,992.70x = 391,601,036.72 × 153,388,800.70
  4. Step 4: Simplify right side
    283,768,992.70x = 60,067,213,375,357,464
  5. Step 5: Solve for x
    x = 60,067,213,375,357,464/283,768,992.70
  6. Step 6: Final answer
    x = 211,676,451.34

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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.