Home / 808,380,666.30-1,212,570,999.45-726,751,328.70

Finding the Fourth Proportional to 808,380,666.30, 1,212,570,999.45 and 726,751,328.70

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Solution

The fourth proportional to 808,380,666.30, 1,212,570,999.45 and 726,751,328.70 is: 1,090,126,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,380,666.30 : 1,212,570,999.45 = 726,751,328.70 : x
  2. Step 2: Convert to fraction form
    808,380,666.30/1,212,570,999.45 = 726,751,328.70/x
  3. Step 3: Cross multiply
    808,380,666.30x = 1,212,570,999.45 × 726,751,328.70
  4. Step 4: Simplify right side
    808,380,666.30x = 881,237,584,993,374,592
  5. Step 5: Solve for x
    x = 881,237,584,993,374,592/808,380,666.30
  6. Step 6: Final answer
    x = 1,090,126,993.05

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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.