Home / 509,970,824.90-764,956,237.35-164,959,327.70

Finding the Fourth Proportional to 509,970,824.90, 764,956,237.35 and 164,959,327.70

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Solution

The fourth proportional to 509,970,824.90, 764,956,237.35 and 164,959,327.70 is: 247,438,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,970,824.90 : 764,956,237.35 = 164,959,327.70 : x
  2. Step 2: Convert to fraction form
    509,970,824.90/764,956,237.35 = 164,959,327.70/x
  3. Step 3: Cross multiply
    509,970,824.90x = 764,956,237.35 × 164,959,327.70
  4. Step 4: Simplify right side
    509,970,824.90x = 126,186,666,633,177,632
  5. Step 5: Solve for x
    x = 126,186,666,633,177,632/509,970,824.90
  6. Step 6: Final answer
    x = 247,438,991.55

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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.