Home / 1,393,123,289.24-2,089,987,264.92-423,749,711

Finding the Fourth Proportional to 1,393,123,289.24, 2,089,987,264.92 and 423,749,711

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Solution

The fourth proportional to 1,393,123,289.24, 2,089,987,264.92 and 423,749,711 is: 635,716,527.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,123,289.24 : 2,089,987,264.92 = 423,749,711 : x
  2. Step 2: Convert to fraction form
    1,393,123,289.24/2,089,987,264.92 = 423,749,711/x
  3. Step 3: Cross multiply
    1,393,123,289.24x = 2,089,987,264.92 × 423,749,711
  4. Step 4: Simplify right side
    1,393,123,289.24x = 885,631,499,503,530,496
  5. Step 5: Solve for x
    x = 885,631,499,503,530,496/1,393,123,289.24
  6. Step 6: Final answer
    x = 635,716,527.28

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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.