Home / 406,074,758,447.55-609,112,137,671.32-217,788,400,793.55

Finding the Fourth Proportional to 406,074,758,447.55, 609,112,137,671.32 and 217,788,400,793.55

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Solution

The fourth proportional to 406,074,758,447.55, 609,112,137,671.32 and 217,788,400,793.55 is: 326,682,601,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,074,758,447.55 : 609,112,137,671.32 = 217,788,400,793.55 : x
  2. Step 2: Convert to fraction form
    406,074,758,447.55/609,112,137,671.32 = 217,788,400,793.55/x
  3. Step 3: Cross multiply
    406,074,758,447.55x = 609,112,137,671.32 × 217,788,400,793.55
  4. Step 4: Simplify right side
    406,074,758,447.55x = 132,657,558,367,377,429,626,880
  5. Step 5: Solve for x
    x = 132,657,558,367,377,429,626,880/406,074,758,447.55
  6. Step 6: Final answer
    x = 326,682,601,190.32

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Double scale
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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.