Home / 319,173,020.44-478,897,787.94-171,448,209.34

Finding the Fourth Proportional to 319,173,020.44, 478,897,787.94 and 171,448,209.34

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Solution

The fourth proportional to 319,173,020.44, 478,897,787.94 and 171,448,209.34 is: 257,246,580.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,173,020.44 : 478,897,787.94 = 171,448,209.34 : x
  2. Step 2: Convert to fraction form
    319,173,020.44/478,897,787.94 = 171,448,209.34/x
  3. Step 3: Cross multiply
    319,173,020.44x = 478,897,787.94 × 171,448,209.34
  4. Step 4: Simplify right side
    319,173,020.44x = 82,106,168,199,200,048
  5. Step 5: Solve for x
    x = 82,106,168,199,200,048/319,173,020.44
  6. Step 6: Final answer
    x = 257,246,580.82

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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.