Home / 460,138,876.24-690,222,486.60-201,220,821.04

Finding the Fourth Proportional to 460,138,876.24, 690,222,486.60 and 201,220,821.04

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Solution

The fourth proportional to 460,138,876.24, 690,222,486.60 and 201,220,821.04 is: 301,837,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,138,876.24 : 690,222,486.60 = 201,220,821.04 : x
  2. Step 2: Convert to fraction form
    460,138,876.24/690,222,486.60 = 201,220,821.04/x
  3. Step 3: Cross multiply
    460,138,876.24x = 690,222,486.60 × 201,220,821.04
  4. Step 4: Simplify right side
    460,138,876.24x = 138,887,135,453,922,400
  5. Step 5: Solve for x
    x = 138,887,135,453,922,400/460,138,876.24
  6. Step 6: Final answer
    x = 301,837,429.14

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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.