Home / 439,055,883.87-605,897,985.41-240,818,992.03

Finding the Fourth Proportional to 439,055,883.87, 605,897,985.41 and 240,818,992.03

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Solution

The fourth proportional to 439,055,883.87, 605,897,985.41 and 240,818,992.03 is: 332,330,683.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,055,883.87 : 605,897,985.41 = 240,818,992.03 : x
  2. Step 2: Convert to fraction form
    439,055,883.87/605,897,985.41 = 240,818,992.03/x
  3. Step 3: Cross multiply
    439,055,883.87x = 605,897,985.41 × 240,818,992.03
  4. Step 4: Simplify right side
    439,055,883.87x = 145,911,742,119,443,840
  5. Step 5: Solve for x
    x = 145,911,742,119,443,840/439,055,883.87
  6. Step 6: Final answer
    x = 332,330,683.81

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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.