Home / 440,122,446.45-660,183,669.68-210,539,934.45

Finding the Fourth Proportional to 440,122,446.45, 660,183,669.68 and 210,539,934.45

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Solution

The fourth proportional to 440,122,446.45, 660,183,669.68 and 210,539,934.45 is: 315,809,901.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,122,446.45 : 660,183,669.68 = 210,539,934.45 : x
  2. Step 2: Convert to fraction form
    440,122,446.45/660,183,669.68 = 210,539,934.45/x
  3. Step 3: Cross multiply
    440,122,446.45x = 660,183,669.68 × 210,539,934.45
  4. Step 4: Simplify right side
    440,122,446.45x = 138,995,026,538,334,928
  5. Step 5: Solve for x
    x = 138,995,026,538,334,928/440,122,446.45
  6. Step 6: Final answer
    x = 315,809,901.68

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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.