Home / 607,394,840.96-838,200,706.80-328,929,992.16

Finding the Fourth Proportional to 607,394,840.96, 838,200,706.80 and 328,929,992.16

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Solution

The fourth proportional to 607,394,840.96, 838,200,706.80 and 328,929,992.16 is: 453,921,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,394,840.96 : 838,200,706.80 = 328,929,992.16 : x
  2. Step 2: Convert to fraction form
    607,394,840.96/838,200,706.80 = 328,929,992.16/x
  3. Step 3: Cross multiply
    607,394,840.96x = 838,200,706.80 × 328,929,992.16
  4. Step 4: Simplify right side
    607,394,840.96x = 275,709,351,916,230,464
  5. Step 5: Solve for x
    x = 275,709,351,916,230,464/607,394,840.96
  6. Step 6: Final answer
    x = 453,921,128.93

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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.