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Finding the Fourth Proportional to 1,007,889,814.90, 1,511,834,722.35 and 835,702,930.90

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Solution

The fourth proportional to 1,007,889,814.90, 1,511,834,722.35 and 835,702,930.90 is: 1,253,554,396.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,889,814.90 : 1,511,834,722.35 = 835,702,930.90 : x
  2. Step 2: Convert to fraction form
    1,007,889,814.90/1,511,834,722.35 = 835,702,930.90/x
  3. Step 3: Cross multiply
    1,007,889,814.90x = 1,511,834,722.35 × 835,702,930.90
  4. Step 4: Simplify right side
    1,007,889,814.90x = 1,263,444,708,504,282,624
  5. Step 5: Solve for x
    x = 1,263,444,708,504,282,624/1,007,889,814.90
  6. Step 6: Final answer
    x = 1,253,554,396.35

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Double scale
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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.