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Finding the Fourth Proportional to 1,294,890,206.06, 1,786,947,223.92 and 700,173,267.26

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Solution

The fourth proportional to 1,294,890,206.06, 1,786,947,223.92 and 700,173,267.26 is: 966,238,427.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,890,206.06 : 1,786,947,223.92 = 700,173,267.26 : x
  2. Step 2: Convert to fraction form
    1,294,890,206.06/1,786,947,223.92 = 700,173,267.26/x
  3. Step 3: Cross multiply
    1,294,890,206.06x = 1,786,947,223.92 × 700,173,267.26
  4. Step 4: Simplify right side
    1,294,890,206.06x = 1,251,172,676,193,253,376
  5. Step 5: Solve for x
    x = 1,251,172,676,193,253,376/1,294,890,206.06
  6. Step 6: Final answer
    x = 966,238,427.27

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Double scale
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1.5x scale

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.