Home / 460,138,841.52-690,222,434.04-201,220,786.32

Finding the Fourth Proportional to 460,138,841.52, 690,222,434.04 and 201,220,786.32

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Solution

The fourth proportional to 460,138,841.52, 690,222,434.04 and 201,220,786.32 is: 301,837,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,138,841.52 : 690,222,434.04 = 201,220,786.32 : x
  2. Step 2: Convert to fraction form
    460,138,841.52/690,222,434.04 = 201,220,786.32/x
  3. Step 3: Cross multiply
    460,138,841.52x = 690,222,434.04 × 201,220,786.32
  4. Step 4: Simplify right side
    460,138,841.52x = 138,887,100,913,233,120
  5. Step 5: Solve for x
    x = 138,887,100,913,233,120/460,138,841.52
  6. Step 6: Final answer
    x = 301,837,376.85

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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.