Home / 791,184,192.75-1,091,834,195.72-443,503,680.75

Finding the Fourth Proportional to 791,184,192.75, 1,091,834,195.72 and 443,503,680.75

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Solution

The fourth proportional to 791,184,192.75, 1,091,834,195.72 and 443,503,680.75 is: 612,035,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,184,192.75 : 1,091,834,195.72 = 443,503,680.75 : x
  2. Step 2: Convert to fraction form
    791,184,192.75/1,091,834,195.72 = 443,503,680.75/x
  3. Step 3: Cross multiply
    791,184,192.75x = 1,091,834,195.72 × 443,503,680.75
  4. Step 4: Simplify right side
    791,184,192.75x = 484,232,484,568,318,336
  5. Step 5: Solve for x
    x = 484,232,484,568,318,336/791,184,192.75
  6. Step 6: Final answer
    x = 612,035,084.88

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Double scale
Find fourth proportional to 791,184,193.75, 1,091,834,197.10 and 443,503,681.75
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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.