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Finding the Fourth Proportional to 355,093,688, 532,640,532 and 99,792,056

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Solution

The fourth proportional to 355,093,688, 532,640,532 and 99,792,056 is: 149,688,084

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,093,688 : 532,640,532 = 99,792,056 : x
  2. Step 2: Convert to fraction form
    355,093,688/532,640,532 = 99,792,056/x
  3. Step 3: Cross multiply
    355,093,688x = 532,640,532 × 99,792,056
  4. Step 4: Simplify right side
    355,093,688x = 53,153,293,797,213,792
  5. Step 5: Solve for x
    x = 53,153,293,797,213,792/355,093,688
  6. Step 6: Final answer
    x = 149,688,084

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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.