Home / 1,010,786,070.89-1,394,956,958.67-558,654,311.78

Finding the Fourth Proportional to 1,010,786,070.89, 1,394,956,958.67 and 558,654,311.78

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Solution

The fourth proportional to 1,010,786,070.89, 1,394,956,958.67 and 558,654,311.78 is: 770,982,844.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,786,070.89 : 1,394,956,958.67 = 558,654,311.78 : x
  2. Step 2: Convert to fraction form
    1,010,786,070.89/1,394,956,958.67 = 558,654,311.78/x
  3. Step 3: Cross multiply
    1,010,786,070.89x = 1,394,956,958.67 × 558,654,311.78
  4. Step 4: Simplify right side
    1,010,786,070.89x = 779,298,719,701,536,000
  5. Step 5: Solve for x
    x = 779,298,719,701,536,000/1,010,786,070.89
  6. Step 6: Final answer
    x = 770,982,844.09

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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.