Home / 1,081,255,983.71-1,621,886,633.37-304,905,713.27

Finding the Fourth Proportional to 1,081,255,983.71, 1,621,886,633.37 and 304,905,713.27

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Solution

The fourth proportional to 1,081,255,983.71, 1,621,886,633.37 and 304,905,713.27 is: 457,359,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,255,983.71 : 1,621,886,633.37 = 304,905,713.27 : x
  2. Step 2: Convert to fraction form
    1,081,255,983.71/1,621,886,633.37 = 304,905,713.27/x
  3. Step 3: Cross multiply
    1,081,255,983.71x = 1,621,886,633.37 × 304,905,713.27
  4. Step 4: Simplify right side
    1,081,255,983.71x = 494,522,500,782,649,344
  5. Step 5: Solve for x
    x = 494,522,500,782,649,344/1,081,255,983.71
  6. Step 6: Final answer
    x = 457,359,319.38

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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.