Home / 9,207,951,308.69-12,707,138,299.77-5,400,220,574.44

Finding the Fourth Proportional to 9,207,951,308.69, 12,707,138,299.77 and 5,400,220,574.44

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Solution

The fourth proportional to 9,207,951,308.69, 12,707,138,299.77 and 5,400,220,574.44 is: 7,452,401,450.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207,951,308.69 : 12,707,138,299.77 = 5,400,220,574.44 : x
  2. Step 2: Convert to fraction form
    9,207,951,308.69/12,707,138,299.77 = 5,400,220,574.44/x
  3. Step 3: Cross multiply
    9,207,951,308.69x = 12,707,138,299.77 × 5,400,220,574.44
  4. Step 4: Simplify right side
    9,207,951,308.69x = 68,621,349,688,660,721,664
  5. Step 5: Solve for x
    x = 68,621,349,688,660,721,664/9,207,951,308.69
  6. Step 6: Final answer
    x = 7,452,401,450.46

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Double scale
Find fourth proportional to 9,207,951,309.69, 12,707,138,301.15 and 5,400,220,575.44
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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.