Home / 1,010,786,069.39-1,394,956,956.60-558,654,310.28

Finding the Fourth Proportional to 1,010,786,069.39, 1,394,956,956.60 and 558,654,310.28

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Solution

The fourth proportional to 1,010,786,069.39, 1,394,956,956.60 and 558,654,310.28 is: 770,982,842.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,786,069.39 : 1,394,956,956.60 = 558,654,310.28 : x
  2. Step 2: Convert to fraction form
    1,010,786,069.39/1,394,956,956.60 = 558,654,310.28/x
  3. Step 3: Cross multiply
    1,010,786,069.39x = 1,394,956,956.60 × 558,654,310.28
  4. Step 4: Simplify right side
    1,010,786,069.39x = 779,298,716,452,686,080
  5. Step 5: Solve for x
    x = 779,298,716,452,686,080/1,010,786,069.39
  6. Step 6: Final answer
    x = 770,982,842.02

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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.