Home / 7,541,717,421.69-10,407,892,612.19-4,200,215,168.25

Finding the Fourth Proportional to 7,541,717,421.69, 10,407,892,612.19 and 4,200,215,168.25

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Solution

The fourth proportional to 7,541,717,421.69, 10,407,892,612.19 and 4,200,215,168.25 is: 5,796,476,581.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541,717,421.69 : 10,407,892,612.19 = 4,200,215,168.25 : x
  2. Step 2: Convert to fraction form
    7,541,717,421.69/10,407,892,612.19 = 4,200,215,168.25/x
  3. Step 3: Cross multiply
    7,541,717,421.69x = 10,407,892,612.19 × 4,200,215,168.25
  4. Step 4: Simplify right side
    7,541,717,421.69x = 43,715,388,419,216,547,840
  5. Step 5: Solve for x
    x = 43,715,388,419,216,547,840/7,541,717,421.69
  6. Step 6: Final answer
    x = 5,796,476,581.51

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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.