Home / 628,455,272.13-867,295,181.12-349,996,796.37

Finding the Fourth Proportional to 628,455,272.13, 867,295,181.12 and 349,996,796.37

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Solution

The fourth proportional to 628,455,272.13, 867,295,181.12 and 349,996,796.37 is: 483,010,563.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,455,272.13 : 867,295,181.12 = 349,996,796.37 : x
  2. Step 2: Convert to fraction form
    628,455,272.13/867,295,181.12 = 349,996,796.37/x
  3. Step 3: Cross multiply
    628,455,272.13x = 867,295,181.12 × 349,996,796.37
  4. Step 4: Simplify right side
    628,455,272.13x = 303,550,534,897,388,928
  5. Step 5: Solve for x
    x = 303,550,534,897,388,928/628,455,272.13
  6. Step 6: Final answer
    x = 483,010,563.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.