Home / 200,638,700,445.94-300,986,322,079.32-64,455,160,432.87

Finding the Fourth Proportional to 200,638,700,445.94, 300,986,322,079.32 and 64,455,160,432.87

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Solution

The fourth proportional to 200,638,700,445.94, 300,986,322,079.32 and 64,455,160,432.87 is: 96,691,822,836.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,638,700,445.94 : 300,986,322,079.32 = 64,455,160,432.87 : x
  2. Step 2: Convert to fraction form
    200,638,700,445.94/300,986,322,079.32 = 64,455,160,432.87/x
  3. Step 3: Cross multiply
    200,638,700,445.94x = 300,986,322,079.32 × 64,455,160,432.87
  4. Step 4: Simplify right side
    200,638,700,445.94x = 19,400,121,677,722,054,295,552
  5. Step 5: Solve for x
    x = 19,400,121,677,722,054,295,552/200,638,700,445.94
  6. Step 6: Final answer
    x = 96,691,822,836.79

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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.