Home / 191,200,669,840.88-263,880,061,613.08-108,821,458,689.12

Finding the Fourth Proportional to 191,200,669,840.88, 263,880,061,613.08 and 108,821,458,689.12

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Solution

The fourth proportional to 191,200,669,840.88, 263,880,061,613.08 and 108,821,458,689.12 is: 150,186,781,498.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,200,669,840.88 : 263,880,061,613.08 = 108,821,458,689.12 : x
  2. Step 2: Convert to fraction form
    191,200,669,840.88/263,880,061,613.08 = 108,821,458,689.12/x
  3. Step 3: Cross multiply
    191,200,669,840.88x = 263,880,061,613.08 × 108,821,458,689.12
  4. Step 4: Simplify right side
    191,200,669,840.88x = 28,715,813,223,710,221,926,400
  5. Step 5: Solve for x
    x = 28,715,813,223,710,221,926,400/191,200,669,840.88
  6. Step 6: Final answer
    x = 150,186,781,498.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.