Home / 485,575,234.80-728,362,852.20-158,081,607.60

Finding the Fourth Proportional to 485,575,234.80, 728,362,852.20 and 158,081,607.60

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Solution

The fourth proportional to 485,575,234.80, 728,362,852.20 and 158,081,607.60 is: 237,122,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,575,234.80 : 728,362,852.20 = 158,081,607.60 : x
  2. Step 2: Convert to fraction form
    485,575,234.80/728,362,852.20 = 158,081,607.60/x
  3. Step 3: Cross multiply
    485,575,234.80x = 728,362,852.20 × 158,081,607.60
  4. Step 4: Simplify right side
    485,575,234.80x = 115,140,770,591,897,200
  5. Step 5: Solve for x
    x = 115,140,770,591,897,200/485,575,234.80
  6. Step 6: Final answer
    x = 237,122,411.40

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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.