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Finding the Fourth Proportional to 608,738,891.70, 913,108,337.55 and 608,738,891.70

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Solution

The fourth proportional to 608,738,891.70, 913,108,337.55 and 608,738,891.70 is: 913,108,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,738,891.70 : 913,108,337.55 = 608,738,891.70 : x
  2. Step 2: Convert to fraction form
    608,738,891.70/913,108,337.55 = 608,738,891.70/x
  3. Step 3: Cross multiply
    608,738,891.70x = 913,108,337.55 × 608,738,891.70
  4. Step 4: Simplify right side
    608,738,891.70x = 555,844,557,402,216,512
  5. Step 5: Solve for x
    x = 555,844,557,402,216,512/608,738,891.70
  6. Step 6: Final answer
    x = 913,108,337.55

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Double scale
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Similar ratio
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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.