Home / 354,433,249.60-531,649,874.40-208,717,230.40

Finding the Fourth Proportional to 354,433,249.60, 531,649,874.40 and 208,717,230.40

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Solution

The fourth proportional to 354,433,249.60, 531,649,874.40 and 208,717,230.40 is: 313,075,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,433,249.60 : 531,649,874.40 = 208,717,230.40 : x
  2. Step 2: Convert to fraction form
    354,433,249.60/531,649,874.40 = 208,717,230.40/x
  3. Step 3: Cross multiply
    354,433,249.60x = 531,649,874.40 × 208,717,230.40
  4. Step 4: Simplify right side
    354,433,249.60x = 110,964,489,327,275,856
  5. Step 5: Solve for x
    x = 110,964,489,327,275,856/354,433,249.60
  6. Step 6: Final answer
    x = 313,075,845.60

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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.