Home / 349,775,998.80-524,999,921.40-298,715,672.40

Finding the Fourth Proportional to 349,775,998.80, 524,999,921.40 and 298,715,672.40

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Solution

The fourth proportional to 349,775,998.80, 524,999,921.40 and 298,715,672.40 is: 448,360,393.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,775,998.80 : 524,999,921.40 = 298,715,672.40 : x
  2. Step 2: Convert to fraction form
    349,775,998.80/524,999,921.40 = 298,715,672.40/x
  3. Step 3: Cross multiply
    349,775,998.80x = 524,999,921.40 × 298,715,672.40
  4. Step 4: Simplify right side
    349,775,998.80x = 156,825,704,530,948,128
  5. Step 5: Solve for x
    x = 156,825,704,530,948,128/349,775,998.80
  6. Step 6: Final answer
    x = 448,360,393.71

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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.