Home / 721,052,156.17-1,081,426,896.14-203,361,527.75

Finding the Fourth Proportional to 721,052,156.17, 1,081,426,896.14 and 203,361,527.75

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Solution

The fourth proportional to 721,052,156.17, 1,081,426,896.14 and 203,361,527.75 is: 304,999,609.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,052,156.17 : 1,081,426,896.14 = 203,361,527.75 : x
  2. Step 2: Convert to fraction form
    721,052,156.17/1,081,426,896.14 = 203,361,527.75/x
  3. Step 3: Cross multiply
    721,052,156.17x = 1,081,426,896.14 × 203,361,527.75
  4. Step 4: Simplify right side
    721,052,156.17x = 219,920,625,742,547,040
  5. Step 5: Solve for x
    x = 219,920,625,742,547,040/721,052,156.17
  6. Step 6: Final answer
    x = 304,999,609.06

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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.