Home / 712,159,902.96-980,496,556.17-555,325,758.96

Finding the Fourth Proportional to 712,159,902.96, 980,496,556.17 and 555,325,758.96

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Solution

The fourth proportional to 712,159,902.96, 980,496,556.17 and 555,325,758.96 is: 764,568,451.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,159,902.96 : 980,496,556.17 = 555,325,758.96 : x
  2. Step 2: Convert to fraction form
    712,159,902.96/980,496,556.17 = 555,325,758.96/x
  3. Step 3: Cross multiply
    712,159,902.96x = 980,496,556.17 × 555,325,758.96
  4. Step 4: Simplify right side
    712,159,902.96x = 544,494,994,212,771,520
  5. Step 5: Solve for x
    x = 544,494,994,212,771,520/712,159,902.96
  6. Step 6: Final answer
    x = 764,568,451.48

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Double scale
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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.