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Finding the Fourth Proportional to 1,295,196,752.76, 1,787,371,519.22 and 700,481,233.05

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Solution

The fourth proportional to 1,295,196,752.76, 1,787,371,519.22 and 700,481,233.05 is: 966,664,101.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,196,752.76 : 1,787,371,519.22 = 700,481,233.05 : x
  2. Step 2: Convert to fraction form
    1,295,196,752.76/1,787,371,519.22 = 700,481,233.05/x
  3. Step 3: Cross multiply
    1,295,196,752.76x = 1,787,371,519.22 × 700,481,233.05
  4. Step 4: Simplify right side
    1,295,196,752.76x = 1,252,020,205,701,677,312
  5. Step 5: Solve for x
    x = 1,252,020,205,701,677,312/1,295,196,752.76
  6. Step 6: Final answer
    x = 966,664,101.83

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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.