Home / 3,800,587,731.62-5,242,947,297.90-3,298,091,239.22

Finding the Fourth Proportional to 3,800,587,731.62, 5,242,947,297.90 and 3,298,091,239.22

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Solution

The fourth proportional to 3,800,587,731.62, 5,242,947,297.90 and 3,298,091,239.22 is: 4,549,748,557.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800,587,731.62 : 5,242,947,297.90 = 3,298,091,239.22 : x
  2. Step 2: Convert to fraction form
    3,800,587,731.62/5,242,947,297.90 = 3,298,091,239.22/x
  3. Step 3: Cross multiply
    3,800,587,731.62x = 5,242,947,297.90 × 3,298,091,239.22
  4. Step 4: Simplify right side
    3,800,587,731.62x = 17,291,718,550,896,158,720
  5. Step 5: Solve for x
    x = 17,291,718,550,896,158,720/3,800,587,731.62
  6. Step 6: Final answer
    x = 4,549,748,557.84

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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.