Home / 1,036,102,857.80-1,553,955,221.10-309,115,286.60

Finding the Fourth Proportional to 1,036,102,857.80, 1,553,955,221.10 and 309,115,286.60

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Solution

The fourth proportional to 1,036,102,857.80, 1,553,955,221.10 and 309,115,286.60 is: 463,613,539.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,102,857.80 : 1,553,955,221.10 = 309,115,286.60 : x
  2. Step 2: Convert to fraction form
    1,036,102,857.80/1,553,955,221.10 = 309,115,286.60/x
  3. Step 3: Cross multiply
    1,036,102,857.80x = 1,553,955,221.10 × 309,115,286.60
  4. Step 4: Simplify right side
    1,036,102,857.80x = 480,351,313,533,892,864
  5. Step 5: Solve for x
    x = 480,351,313,533,892,864/1,036,102,857.80
  6. Step 6: Final answer
    x = 463,613,539.83

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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.