Home / 510,010,000.56-703,810,551.96-289,993,446

Finding the Fourth Proportional to 510,010,000.56, 703,810,551.96 and 289,993,446

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Solution

The fourth proportional to 510,010,000.56, 703,810,551.96 and 289,993,446 is: 400,189,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,010,000.56 : 703,810,551.96 = 289,993,446 : x
  2. Step 2: Convert to fraction form
    510,010,000.56/703,810,551.96 = 289,993,446/x
  3. Step 3: Cross multiply
    510,010,000.56x = 703,810,551.96 × 289,993,446
  4. Step 4: Simplify right side
    510,010,000.56x = 204,100,447,294,042,464
  5. Step 5: Solve for x
    x = 204,100,447,294,042,464/510,010,000.56
  6. Step 6: Final answer
    x = 400,189,108.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.