Home / 219,403,831,514.04-302,753,078,650.08-123,040,087,584.12

Finding the Fourth Proportional to 219,403,831,514.04, 302,753,078,650.08 and 123,040,087,584.12

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Solution

The fourth proportional to 219,403,831,514.04, 302,753,078,650.08 and 123,040,087,584.12 is: 169,781,744,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,403,831,514.04 : 302,753,078,650.08 = 123,040,087,584.12 : x
  2. Step 2: Convert to fraction form
    219,403,831,514.04/302,753,078,650.08 = 123,040,087,584.12/x
  3. Step 3: Cross multiply
    219,403,831,514.04x = 302,753,078,650.08 × 123,040,087,584.12
  4. Step 4: Simplify right side
    219,403,831,514.04x = 37,250,765,313,467,815,559,168
  5. Step 5: Solve for x
    x = 37,250,765,313,467,815,559,168/219,403,831,514.04
  6. Step 6: Final answer
    x = 169,781,744,723.47

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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.