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Finding the Fourth Proportional to 4,890,398,835.60, 7,335,598,253.40 and 4,890,398,835.60

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Solution

The fourth proportional to 4,890,398,835.60, 7,335,598,253.40 and 4,890,398,835.60 is: 7,335,598,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,398,835.60 : 7,335,598,253.40 = 4,890,398,835.60 : x
  2. Step 2: Convert to fraction form
    4,890,398,835.60/7,335,598,253.40 = 4,890,398,835.60/x
  3. Step 3: Cross multiply
    4,890,398,835.60x = 7,335,598,253.40 × 4,890,398,835.60
  4. Step 4: Simplify right side
    4,890,398,835.60x = 35,874,001,156,856,754,176
  5. Step 5: Solve for x
    x = 35,874,001,156,856,754,176/4,890,398,835.60
  6. Step 6: Final answer
    x = 7,335,598,253.40

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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.