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Finding the Fourth Proportional to 1,259,390,593,560, 1,889,085,890,339.80 and 1,259,390,593,560

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Solution

The fourth proportional to 1,259,390,593,560, 1,889,085,890,339.80 and 1,259,390,593,560 is: 1,889,085,890,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,390,593,560 : 1,889,085,890,339.80 = 1,259,390,593,560 : x
  2. Step 2: Convert to fraction form
    1,259,390,593,560/1,889,085,890,339.80 = 1,259,390,593,560/x
  3. Step 3: Cross multiply
    1,259,390,593,560x = 1,889,085,890,339.80 × 1,259,390,593,560
  4. Step 4: Simplify right side
    1,259,390,593,560x = 2,379,097,000,720,861,845,520,384
  5. Step 5: Solve for x
    x = 2,379,097,000,720,861,845,520,384/1,259,390,593,560
  6. Step 6: Final answer
    x = 1,889,085,890,339.80

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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.