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Finding the Fourth Proportional to 1,035,333,609.03, 1,428,795,634.26 and 612,309,894.54

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Solution

The fourth proportional to 1,035,333,609.03, 1,428,795,634.26 and 612,309,894.54 is: 845,008,504.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,333,609.03 : 1,428,795,634.26 = 612,309,894.54 : x
  2. Step 2: Convert to fraction form
    1,035,333,609.03/1,428,795,634.26 = 612,309,894.54/x
  3. Step 3: Cross multiply
    1,035,333,609.03x = 1,428,795,634.26 × 612,309,894.54
  4. Step 4: Simplify right side
    1,035,333,609.03x = 874,865,704,127,595,008
  5. Step 5: Solve for x
    x = 874,865,704,127,595,008/1,035,333,609.03
  6. Step 6: Final answer
    x = 845,008,504.02

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.