Home / 399,120,116.73-598,681,563.84-122,769,455.37

Finding the Fourth Proportional to 399,120,116.73, 598,681,563.84 and 122,769,455.37

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Solution

The fourth proportional to 399,120,116.73, 598,681,563.84 and 122,769,455.37 is: 184,154,610.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,120,116.73 : 598,681,563.84 = 122,769,455.37 : x
  2. Step 2: Convert to fraction form
    399,120,116.73/598,681,563.84 = 122,769,455.37/x
  3. Step 3: Cross multiply
    399,120,116.73x = 598,681,563.84 × 122,769,455.37
  4. Step 4: Simplify right side
    399,120,116.73x = 73,499,809,532,696,688
  5. Step 5: Solve for x
    x = 73,499,809,532,696,688/399,120,116.73
  6. Step 6: Final answer
    x = 184,154,610.23

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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.