Home / 1,455,165,926.21-2,182,766,210.56-405,840,286.52

Finding the Fourth Proportional to 1,455,165,926.21, 2,182,766,210.56 and 405,840,286.52

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Solution

The fourth proportional to 1,455,165,926.21, 2,182,766,210.56 and 405,840,286.52 is: 608,765,260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,165,926.21 : 2,182,766,210.56 = 405,840,286.52 : x
  2. Step 2: Convert to fraction form
    1,455,165,926.21/2,182,766,210.56 = 405,840,286.52/x
  3. Step 3: Cross multiply
    1,455,165,926.21x = 2,182,766,210.56 × 405,840,286.52
  4. Step 4: Simplify right side
    1,455,165,926.21x = 885,854,464,298,951,808
  5. Step 5: Solve for x
    x = 885,854,464,298,951,808/1,455,165,926.21
  6. Step 6: Final answer
    x = 608,765,260.61

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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.