Home / 9,207,951,309.44-12,707,138,300.80-5,400,220,575.20

Finding the Fourth Proportional to 9,207,951,309.44, 12,707,138,300.80 and 5,400,220,575.20

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Solution

The fourth proportional to 9,207,951,309.44, 12,707,138,300.80 and 5,400,220,575.20 is: 7,452,401,451.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207,951,309.44 : 12,707,138,300.80 = 5,400,220,575.20 : x
  2. Step 2: Convert to fraction form
    9,207,951,309.44/12,707,138,300.80 = 5,400,220,575.20/x
  3. Step 3: Cross multiply
    9,207,951,309.44x = 12,707,138,300.80 × 5,400,220,575.20
  4. Step 4: Simplify right side
    9,207,951,309.44x = 68,621,349,703,817,789,440
  5. Step 5: Solve for x
    x = 68,621,349,703,817,789,440/9,207,951,309.44
  6. Step 6: Final answer
    x = 7,452,401,451.50

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Double scale
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Similar ratio
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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.