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Finding the Fourth Proportional to 1,861,724,339,746.50, 2,792,586,509,619.80 and 1,861,724,339,746.50

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Solution

The fourth proportional to 1,861,724,339,746.50, 2,792,586,509,619.80 and 1,861,724,339,746.50 is: 2,792,586,509,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,724,339,746.50 : 2,792,586,509,619.80 = 1,861,724,339,746.50 : x
  2. Step 2: Convert to fraction form
    1,861,724,339,746.50/2,792,586,509,619.80 = 1,861,724,339,746.50/x
  3. Step 3: Cross multiply
    1,861,724,339,746.50x = 2,792,586,509,619.80 × 1,861,724,339,746.50
  4. Step 4: Simplify right side
    1,861,724,339,746.50x = 5,199,026,275,806,904,284,348,416
  5. Step 5: Solve for x
    x = 5,199,026,275,806,904,284,348,416/1,861,724,339,746.50
  6. Step 6: Final answer
    x = 2,792,586,509,619.80

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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.