Home / 489,904,102.60-734,005,848.30-317,292,065.80

Finding the Fourth Proportional to 489,904,102.60, 734,005,848.30 and 317,292,065.80

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Solution

The fourth proportional to 489,904,102.60, 734,005,848.30 and 317,292,065.80 is: 475,387,388.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,904,102.60 : 734,005,848.30 = 317,292,065.80 : x
  2. Step 2: Convert to fraction form
    489,904,102.60/734,005,848.30 = 317,292,065.80/x
  3. Step 3: Cross multiply
    489,904,102.60x = 734,005,848.30 × 317,292,065.80
  4. Step 4: Simplify right side
    489,904,102.60x = 232,894,231,916,388,416
  5. Step 5: Solve for x
    x = 232,894,231,916,388,416/489,904,102.60
  6. Step 6: Final answer
    x = 475,387,388.43

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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.