Home / 395,137,597-545,289,883.86-221,297,341

Finding the Fourth Proportional to 395,137,597, 545,289,883.86 and 221,297,341

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Solution

The fourth proportional to 395,137,597, 545,289,883.86 and 221,297,341 is: 305,390,330.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,137,597 : 545,289,883.86 = 221,297,341 : x
  2. Step 2: Convert to fraction form
    395,137,597/545,289,883.86 = 221,297,341/x
  3. Step 3: Cross multiply
    395,137,597x = 545,289,883.86 × 221,297,341
  4. Step 4: Simplify right side
    395,137,597x = 120,671,201,372,416,816
  5. Step 5: Solve for x
    x = 120,671,201,372,416,816/395,137,597
  6. Step 6: Final answer
    x = 305,390,330.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.