Home / 1,081,256,021.22-1,621,886,689.68-304,905,750.78

Finding the Fourth Proportional to 1,081,256,021.22, 1,621,886,689.68 and 304,905,750.78

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Solution

The fourth proportional to 1,081,256,021.22, 1,621,886,689.68 and 304,905,750.78 is: 457,359,375.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,256,021.22 : 1,621,886,689.68 = 304,905,750.78 : x
  2. Step 2: Convert to fraction form
    1,081,256,021.22/1,621,886,689.68 = 304,905,750.78/x
  3. Step 3: Cross multiply
    1,081,256,021.22x = 1,621,886,689.68 × 304,905,750.78
  4. Step 4: Simplify right side
    1,081,256,021.22x = 494,522,578,796,969,280
  5. Step 5: Solve for x
    x = 494,522,578,796,969,280/1,081,256,021.22
  6. Step 6: Final answer
    x = 457,359,375.66

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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.