Home / 374,979,479.20-562,021,321.20-193,133,053.60

Finding the Fourth Proportional to 374,979,479.20, 562,021,321.20 and 193,133,053.60

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Solution

The fourth proportional to 374,979,479.20, 562,021,321.20 and 193,133,053.60 is: 289,468,890.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,979,479.20 : 562,021,321.20 = 193,133,053.60 : x
  2. Step 2: Convert to fraction form
    374,979,479.20/562,021,321.20 = 193,133,053.60/x
  3. Step 3: Cross multiply
    374,979,479.20x = 562,021,321.20 × 193,133,053.60
  4. Step 4: Simplify right side
    374,979,479.20x = 108,544,893,951,662,416
  5. Step 5: Solve for x
    x = 108,544,893,951,662,416/374,979,479.20
  6. Step 6: Final answer
    x = 289,468,890.89

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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.