Home / 1,010,786,206.34-1,394,957,145.81-558,654,447.68

Finding the Fourth Proportional to 1,010,786,206.34, 1,394,957,145.81 and 558,654,447.68

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Solution

The fourth proportional to 1,010,786,206.34, 1,394,957,145.81 and 558,654,447.68 is: 770,983,031.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,786,206.34 : 1,394,957,145.81 = 558,654,447.68 : x
  2. Step 2: Convert to fraction form
    1,010,786,206.34/1,394,957,145.81 = 558,654,447.68/x
  3. Step 3: Cross multiply
    1,010,786,206.34x = 1,394,957,145.81 × 558,654,447.68
  4. Step 4: Simplify right side
    1,010,786,206.34x = 779,299,013,822,779,904
  5. Step 5: Solve for x
    x = 779,299,013,822,779,904/1,010,786,206.34
  6. Step 6: Final answer
    x = 770,983,031.76

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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.