Home / 404,365,326.60-606,547,989.90-145,620,481.80

Finding the Fourth Proportional to 404,365,326.60, 606,547,989.90 and 145,620,481.80

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Solution

The fourth proportional to 404,365,326.60, 606,547,989.90 and 145,620,481.80 is: 218,430,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,365,326.60 : 606,547,989.90 = 145,620,481.80 : x
  2. Step 2: Convert to fraction form
    404,365,326.60/606,547,989.90 = 145,620,481.80/x
  3. Step 3: Cross multiply
    404,365,326.60x = 606,547,989.90 × 145,620,481.80
  4. Step 4: Simplify right side
    404,365,326.60x = 88,325,810,524,059,536
  5. Step 5: Solve for x
    x = 88,325,810,524,059,536/404,365,326.60
  6. Step 6: Final answer
    x = 218,430,722.70

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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.