Home / 200,638,700,444.82-300,986,322,077.67-64,455,160,431.78

Finding the Fourth Proportional to 200,638,700,444.82, 300,986,322,077.67 and 64,455,160,431.78

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Solution

The fourth proportional to 200,638,700,444.82, 300,986,322,077.67 and 64,455,160,431.78 is: 96,691,822,835.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,638,700,444.82 : 300,986,322,077.67 = 64,455,160,431.78 : x
  2. Step 2: Convert to fraction form
    200,638,700,444.82/300,986,322,077.67 = 64,455,160,431.78/x
  3. Step 3: Cross multiply
    200,638,700,444.82x = 300,986,322,077.67 × 64,455,160,431.78
  4. Step 4: Simplify right side
    200,638,700,444.82x = 19,400,121,677,287,625,064,448
  5. Step 5: Solve for x
    x = 19,400,121,677,287,625,064,448/200,638,700,444.82
  6. Step 6: Final answer
    x = 96,691,822,835.16

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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.