Home / 440,122,406.20-660,183,609.30-210,539,894.20

Finding the Fourth Proportional to 440,122,406.20, 660,183,609.30 and 210,539,894.20

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Solution

The fourth proportional to 440,122,406.20, 660,183,609.30 and 210,539,894.20 is: 315,809,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,122,406.20 : 660,183,609.30 = 210,539,894.20 : x
  2. Step 2: Convert to fraction form
    440,122,406.20/660,183,609.30 = 210,539,894.20/x
  3. Step 3: Cross multiply
    440,122,406.20x = 660,183,609.30 × 210,539,894.20
  4. Step 4: Simplify right side
    440,122,406.20x = 138,994,987,254,596,112
  5. Step 5: Solve for x
    x = 138,994,987,254,596,112/440,122,406.20
  6. Step 6: Final answer
    x = 315,809,841.30

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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.