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Finding the Fourth Proportional to 917,447,629.65, 1,376,171,444.48 and 917,447,629.65

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Solution

The fourth proportional to 917,447,629.65, 1,376,171,444.48 and 917,447,629.65 is: 1,376,171,444.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,447,629.65 : 1,376,171,444.48 = 917,447,629.65 : x
  2. Step 2: Convert to fraction form
    917,447,629.65/1,376,171,444.48 = 917,447,629.65/x
  3. Step 3: Cross multiply
    917,447,629.65x = 1,376,171,444.48 × 917,447,629.65
  4. Step 4: Simplify right side
    917,447,629.65x = 1,262,565,229,725,605,120
  5. Step 5: Solve for x
    x = 1,262,565,229,725,605,120/917,447,629.65
  6. Step 6: Final answer
    x = 1,376,171,444.48

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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.