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Finding the Fourth Proportional to 1,718,772,791.76, 2,576,323,627.92 and 980,252,482.32

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Solution

The fourth proportional to 1,718,772,791.76, 2,576,323,627.92 and 980,252,482.32 is: 1,469,331,864.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,772,791.76 : 2,576,323,627.92 = 980,252,482.32 : x
  2. Step 2: Convert to fraction form
    1,718,772,791.76/2,576,323,627.92 = 980,252,482.32/x
  3. Step 3: Cross multiply
    1,718,772,791.76x = 2,576,323,627.92 × 980,252,482.32
  4. Step 4: Simplify right side
    1,718,772,791.76x = 2,525,447,631,528,248,320
  5. Step 5: Solve for x
    x = 2,525,447,631,528,248,320/1,718,772,791.76
  6. Step 6: Final answer
    x = 1,469,331,864.94

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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.