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Finding the Fourth Proportional to 1,901,664,030.80, 2,667,166,937.20 and 1,901,664,030.80

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Solution

The fourth proportional to 1,901,664,030.80, 2,667,166,937.20 and 1,901,664,030.80 is: 2,667,166,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,664,030.80 : 2,667,166,937.20 = 1,901,664,030.80 : x
  2. Step 2: Convert to fraction form
    1,901,664,030.80/2,667,166,937.20 = 1,901,664,030.80/x
  3. Step 3: Cross multiply
    1,901,664,030.80x = 2,667,166,937.20 × 1,901,664,030.80
  4. Step 4: Simplify right side
    1,901,664,030.80x = 5,072,055,428,612,242,432
  5. Step 5: Solve for x
    x = 5,072,055,428,612,242,432/1,901,664,030.80
  6. Step 6: Final answer
    x = 2,667,166,937.20

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Double scale
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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.