Home / 1,294,890,152.26-1,786,947,150.39-700,173,213.43

Finding the Fourth Proportional to 1,294,890,152.26, 1,786,947,150.39 and 700,173,213.43

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Solution

The fourth proportional to 1,294,890,152.26, 1,786,947,150.39 and 700,173,213.43 is: 966,238,353.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,890,152.26 : 1,786,947,150.39 = 700,173,213.43 : x
  2. Step 2: Convert to fraction form
    1,294,890,152.26/1,786,947,150.39 = 700,173,213.43/x
  3. Step 3: Cross multiply
    1,294,890,152.26x = 1,786,947,150.39 × 700,173,213.43
  4. Step 4: Simplify right side
    1,294,890,152.26x = 1,251,172,528,518,147,840
  5. Step 5: Solve for x
    x = 1,251,172,528,518,147,840/1,294,890,152.26
  6. Step 6: Final answer
    x = 966,238,353.37

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Half scale
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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.