Home / 431,587,613.16-595,645,455.06-283,033,713.60

Finding the Fourth Proportional to 431,587,613.16, 595,645,455.06 and 283,033,713.60

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Solution

The fourth proportional to 431,587,613.16, 595,645,455.06 and 283,033,713.60 is: 390,622,297.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,587,613.16 : 595,645,455.06 = 283,033,713.60 : x
  2. Step 2: Convert to fraction form
    431,587,613.16/595,645,455.06 = 283,033,713.60/x
  3. Step 3: Cross multiply
    431,587,613.16x = 595,645,455.06 × 283,033,713.60
  4. Step 4: Simplify right side
    431,587,613.16x = 168,587,745,134,593,696
  5. Step 5: Solve for x
    x = 168,587,745,134,593,696/431,587,613.16
  6. Step 6: Final answer
    x = 390,622,297.75

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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.