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Finding the Fourth Proportional to 601,267,066.20, 839,959,907.40 and 601,267,066.20

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Solution

The fourth proportional to 601,267,066.20, 839,959,907.40 and 601,267,066.20 is: 839,959,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,267,066.20 : 839,959,907.40 = 601,267,066.20 : x
  2. Step 2: Convert to fraction form
    601,267,066.20/839,959,907.40 = 601,267,066.20/x
  3. Step 3: Cross multiply
    601,267,066.20x = 839,959,907.40 × 601,267,066.20
  4. Step 4: Simplify right side
    601,267,066.20x = 505,040,229,248,021,696
  5. Step 5: Solve for x
    x = 505,040,229,248,021,696/601,267,066.20
  6. Step 6: Final answer
    x = 839,959,907.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.