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Finding the Fourth Proportional to 453,901,906.80, 680,852,860.20 and 270,235,897.20

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Solution

The fourth proportional to 453,901,906.80, 680,852,860.20 and 270,235,897.20 is: 405,353,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,901,906.80 : 680,852,860.20 = 270,235,897.20 : x
  2. Step 2: Convert to fraction form
    453,901,906.80/680,852,860.20 = 270,235,897.20/x
  3. Step 3: Cross multiply
    453,901,906.80x = 680,852,860.20 × 270,235,897.20
  4. Step 4: Simplify right side
    453,901,906.80x = 183,990,883,537,333,184
  5. Step 5: Solve for x
    x = 183,990,883,537,333,184/453,901,906.80
  6. Step 6: Final answer
    x = 405,353,845.80

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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.