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Finding the Fourth Proportional to 477,796,640.49, 715,964,868.59 and 321,773,534.51

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Solution

The fourth proportional to 477,796,640.49, 715,964,868.59 and 321,773,534.51 is: 482,168,619.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,796,640.49 : 715,964,868.59 = 321,773,534.51 : x
  2. Step 2: Convert to fraction form
    477,796,640.49/715,964,868.59 = 321,773,534.51/x
  3. Step 3: Cross multiply
    477,796,640.49x = 715,964,868.59 × 321,773,534.51
  4. Step 4: Simplify right side
    477,796,640.49x = 230,378,546,346,003,296
  5. Step 5: Solve for x
    x = 230,378,546,346,003,296/477,796,640.49
  6. Step 6: Final answer
    x = 482,168,619.08

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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.