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Finding the Fourth Proportional to 1,259,497,729,688.70, 1,889,246,594,533 and 1,259,497,729,688.70

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Solution

The fourth proportional to 1,259,497,729,688.70, 1,889,246,594,533 and 1,259,497,729,688.70 is: 1,889,246,594,533

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,497,729,688.70 : 1,889,246,594,533 = 1,259,497,729,688.70 : x
  2. Step 2: Convert to fraction form
    1,259,497,729,688.70/1,889,246,594,533 = 1,259,497,729,688.70/x
  3. Step 3: Cross multiply
    1,259,497,729,688.70x = 1,889,246,594,533 × 1,259,497,729,688.70
  4. Step 4: Simplify right side
    1,259,497,729,688.70x = 2,379,501,796,636,421,395,578,880
  5. Step 5: Solve for x
    x = 2,379,501,796,636,421,395,578,880/1,259,497,729,688.70
  6. Step 6: Final answer
    x = 1,889,246,594,533

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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.