Home / 230,005,462,298.39-345,015,222,061.55-78,909,644,201.73

Finding the Fourth Proportional to 230,005,462,298.39, 345,015,222,061.55 and 78,909,644,201.73

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Solution

The fourth proportional to 230,005,462,298.39, 345,015,222,061.55 and 78,909,644,201.73 is: 118,366,877,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,005,462,298.39 : 345,015,222,061.55 = 78,909,644,201.73 : x
  2. Step 2: Convert to fraction form
    230,005,462,298.39/345,015,222,061.55 = 78,909,644,201.73/x
  3. Step 3: Cross multiply
    230,005,462,298.39x = 345,015,222,061.55 × 78,909,644,201.73
  4. Step 4: Simplify right side
    230,005,462,298.39x = 27,225,028,417,056,055,230,464
  5. Step 5: Solve for x
    x = 27,225,028,417,056,055,230,464/230,005,462,298.39
  6. Step 6: Final answer
    x = 118,366,877,660.22

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1.5x scale

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.