Home / 850,828,001.20-1,276,242,001.80-728,383,994.80

Finding the Fourth Proportional to 850,828,001.20, 1,276,242,001.80 and 728,383,994.80

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Solution

The fourth proportional to 850,828,001.20, 1,276,242,001.80 and 728,383,994.80 is: 1,092,575,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,828,001.20 : 1,276,242,001.80 = 728,383,994.80 : x
  2. Step 2: Convert to fraction form
    850,828,001.20/1,276,242,001.80 = 728,383,994.80/x
  3. Step 3: Cross multiply
    850,828,001.20x = 1,276,242,001.80 × 728,383,994.80
  4. Step 4: Simplify right side
    850,828,001.20x = 929,594,247,602,632,704
  5. Step 5: Solve for x
    x = 929,594,247,602,632,704/850,828,001.20
  6. Step 6: Final answer
    x = 1,092,575,992.20

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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.