Home / 1,351,224,745.72-2,026,445,623.71-405,784,689.46

Finding the Fourth Proportional to 1,351,224,745.72, 2,026,445,623.71 and 405,784,689.46

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Solution

The fourth proportional to 1,351,224,745.72, 2,026,445,623.71 and 405,784,689.46 is: 608,559,464.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,224,745.72 : 2,026,445,623.71 = 405,784,689.46 : x
  2. Step 2: Convert to fraction form
    1,351,224,745.72/2,026,445,623.71 = 405,784,689.46/x
  3. Step 3: Cross multiply
    1,351,224,745.72x = 2,026,445,623.71 × 405,784,689.46
  4. Step 4: Simplify right side
    1,351,224,745.72x = 822,300,608,118,170,752
  5. Step 5: Solve for x
    x = 822,300,608,118,170,752/1,351,224,745.72
  6. Step 6: Final answer
    x = 608,559,464.83

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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.