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Finding the Fourth Proportional to 15,687,533,301.20, 23,531,299,951.80 and 15,687,533,301.20

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Solution

The fourth proportional to 15,687,533,301.20, 23,531,299,951.80 and 15,687,533,301.20 is: 23,531,299,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687,533,301.20 : 23,531,299,951.80 = 15,687,533,301.20 : x
  2. Step 2: Convert to fraction form
    15,687,533,301.20/23,531,299,951.80 = 15,687,533,301.20/x
  3. Step 3: Cross multiply
    15,687,533,301.20x = 23,531,299,951.80 × 15,687,533,301.20
  4. Step 4: Simplify right side
    15,687,533,301.20x = 369,148,051,614,388,453,376
  5. Step 5: Solve for x
    x = 369,148,051,614,388,453,376/15,687,533,301.20
  6. Step 6: Final answer
    x = 23,531,299,951.80

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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.