Home / 695,902,605.52-1,044,260,952.72-259,504,776.40

Finding the Fourth Proportional to 695,902,605.52, 1,044,260,952.72 and 259,504,776.40

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Solution

The fourth proportional to 695,902,605.52, 1,044,260,952.72 and 259,504,776.40 is: 389,408,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,902,605.52 : 1,044,260,952.72 = 259,504,776.40 : x
  2. Step 2: Convert to fraction form
    695,902,605.52/1,044,260,952.72 = 259,504,776.40/x
  3. Step 3: Cross multiply
    695,902,605.52x = 1,044,260,952.72 × 259,504,776.40
  4. Step 4: Simplify right side
    695,902,605.52x = 270,990,705,038,854,592
  5. Step 5: Solve for x
    x = 270,990,705,038,854,592/695,902,605.52
  6. Step 6: Final answer
    x = 389,408,953.05

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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.