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Finding the Fourth Proportional to 579,236,039.60, 868,854,059.40 and 579,236,039.60

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Solution

The fourth proportional to 579,236,039.60, 868,854,059.40 and 579,236,039.60 is: 868,854,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,236,039.60 : 868,854,059.40 = 579,236,039.60 : x
  2. Step 2: Convert to fraction form
    579,236,039.60/868,854,059.40 = 579,236,039.60/x
  3. Step 3: Cross multiply
    579,236,039.60x = 868,854,059.40 × 579,236,039.60
  4. Step 4: Simplify right side
    579,236,039.60x = 503,271,584,357,239,168
  5. Step 5: Solve for x
    x = 503,271,584,357,239,168/579,236,039.60
  6. Step 6: Final answer
    x = 868,854,059.40

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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.