Home / 1,455,165,924.95-2,182,766,208.66-405,840,285.25

Finding the Fourth Proportional to 1,455,165,924.95, 2,182,766,208.66 and 405,840,285.25

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Solution

The fourth proportional to 1,455,165,924.95, 2,182,766,208.66 and 405,840,285.25 is: 608,765,258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,165,924.95 : 2,182,766,208.66 = 405,840,285.25 : x
  2. Step 2: Convert to fraction form
    1,455,165,924.95/2,182,766,208.66 = 405,840,285.25/x
  3. Step 3: Cross multiply
    1,455,165,924.95x = 2,182,766,208.66 × 405,840,285.25
  4. Step 4: Simplify right side
    1,455,165,924.95x = 885,854,460,762,935,168
  5. Step 5: Solve for x
    x = 885,854,460,762,935,168/1,455,165,924.95
  6. Step 6: Final answer
    x = 608,765,258.71

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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.