Home / 402,022,021.80-603,033,032.70-264,272,514.60

Finding the Fourth Proportional to 402,022,021.80, 603,033,032.70 and 264,272,514.60

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Solution

The fourth proportional to 402,022,021.80, 603,033,032.70 and 264,272,514.60 is: 396,408,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,022,021.80 : 603,033,032.70 = 264,272,514.60 : x
  2. Step 2: Convert to fraction form
    402,022,021.80/603,033,032.70 = 264,272,514.60/x
  3. Step 3: Cross multiply
    402,022,021.80x = 603,033,032.70 × 264,272,514.60
  4. Step 4: Simplify right side
    402,022,021.80x = 159,365,055,938,493,024
  5. Step 5: Solve for x
    x = 159,365,055,938,493,024/402,022,021.80
  6. Step 6: Final answer
    x = 396,408,771.90

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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.