Home / 200,638,700,449.72-300,986,322,085.08-64,455,160,436.68

Finding the Fourth Proportional to 200,638,700,449.72, 300,986,322,085.08 and 64,455,160,436.68

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Solution

The fourth proportional to 200,638,700,449.72, 300,986,322,085.08 and 64,455,160,436.68 is: 96,691,822,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,638,700,449.72 : 300,986,322,085.08 = 64,455,160,436.68 : x
  2. Step 2: Convert to fraction form
    200,638,700,449.72/300,986,322,085.08 = 64,455,160,436.68/x
  3. Step 3: Cross multiply
    200,638,700,449.72x = 300,986,322,085.08 × 64,455,160,436.68
  4. Step 4: Simplify right side
    200,638,700,449.72x = 19,400,121,679,240,073,576,448
  5. Step 5: Solve for x
    x = 19,400,121,679,240,073,576,448/200,638,700,449.72
  6. Step 6: Final answer
    x = 96,691,822,842.53

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1.5x scale

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.