Home / 721,052,101.56-1,081,426,813.83-203,361,473.10

Finding the Fourth Proportional to 721,052,101.56, 1,081,426,813.83 and 203,361,473.10

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Solution

The fourth proportional to 721,052,101.56, 1,081,426,813.83 and 203,361,473.10 is: 304,999,526.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,052,101.56 : 1,081,426,813.83 = 203,361,473.10 : x
  2. Step 2: Convert to fraction form
    721,052,101.56/1,081,426,813.83 = 203,361,473.10/x
  3. Step 3: Cross multiply
    721,052,101.56x = 1,081,426,813.83 × 203,361,473.10
  4. Step 4: Simplify right side
    721,052,101.56x = 219,920,549,910,308,224
  5. Step 5: Solve for x
    x = 219,920,549,910,308,224/721,052,101.56
  6. Step 6: Final answer
    x = 304,999,526.99

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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.