Home / 321,368,297.04-443,077,680.42-208,137,723.12

Finding the Fourth Proportional to 321,368,297.04, 443,077,680.42 and 208,137,723.12

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Solution

The fourth proportional to 321,368,297.04, 443,077,680.42 and 208,137,723.12 is: 286,964,148.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,368,297.04 : 443,077,680.42 = 208,137,723.12 : x
  2. Step 2: Convert to fraction form
    321,368,297.04/443,077,680.42 = 208,137,723.12/x
  3. Step 3: Cross multiply
    321,368,297.04x = 443,077,680.42 × 208,137,723.12
  4. Step 4: Simplify right side
    321,368,297.04x = 92,221,179,567,909,808
  5. Step 5: Solve for x
    x = 92,221,179,567,909,808/321,368,297.04
  6. Step 6: Final answer
    x = 286,964,148.04

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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.