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Finding the Fourth Proportional to 579,235,780.35, 868,853,670.53 and 579,235,780.35

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Solution

The fourth proportional to 579,235,780.35, 868,853,670.53 and 579,235,780.35 is: 868,853,670.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,235,780.35 : 868,853,670.53 = 579,235,780.35 : x
  2. Step 2: Convert to fraction form
    579,235,780.35/868,853,670.53 = 579,235,780.35/x
  3. Step 3: Cross multiply
    579,235,780.35x = 868,853,670.53 × 579,235,780.35
  4. Step 4: Simplify right side
    579,235,780.35x = 503,271,133,856,510,208
  5. Step 5: Solve for x
    x = 503,271,133,856,510,208/579,235,780.35
  6. Step 6: Final answer
    x = 868,853,670.53

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Double scale
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Similar ratio
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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.