Home / 721,052,090.06-1,081,426,796.58-203,361,461.60

Finding the Fourth Proportional to 721,052,090.06, 1,081,426,796.58 and 203,361,461.60

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Solution

The fourth proportional to 721,052,090.06, 1,081,426,796.58 and 203,361,461.60 is: 304,999,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,052,090.06 : 1,081,426,796.58 = 203,361,461.60 : x
  2. Step 2: Convert to fraction form
    721,052,090.06/1,081,426,796.58 = 203,361,461.60/x
  3. Step 3: Cross multiply
    721,052,090.06x = 1,081,426,796.58 × 203,361,461.60
  4. Step 4: Simplify right side
    721,052,090.06x = 219,920,533,965,914,656
  5. Step 5: Solve for x
    x = 219,920,533,965,914,656/721,052,090.06
  6. Step 6: Final answer
    x = 304,999,509.74

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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.