Home / 413,753,413,999.65-620,630,120,999.45-413,753,413,999.65

Finding the Fourth Proportional to 413,753,413,999.65, 620,630,120,999.45 and 413,753,413,999.65

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Solution

The fourth proportional to 413,753,413,999.65, 620,630,120,999.45 and 413,753,413,999.65 is: 620,630,120,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,753,413,999.65 : 620,630,120,999.45 = 413,753,413,999.65 : x
  2. Step 2: Convert to fraction form
    413,753,413,999.65/620,630,120,999.45 = 413,753,413,999.65/x
  3. Step 3: Cross multiply
    413,753,413,999.65x = 620,630,120,999.45 × 413,753,413,999.65
  4. Step 4: Simplify right side
    413,753,413,999.65x = 256,787,831,394,538,300,112,896
  5. Step 5: Solve for x
    x = 256,787,831,394,538,300,112,896/413,753,413,999.65
  6. Step 6: Final answer
    x = 620,630,120,999.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.