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Finding the Fourth Proportional to 996,453,953.80, 1,494,680,930.70 and 906,055,839.70

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Solution

The fourth proportional to 996,453,953.80, 1,494,680,930.70 and 906,055,839.70 is: 1,359,083,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,453,953.80 : 1,494,680,930.70 = 906,055,839.70 : x
  2. Step 2: Convert to fraction form
    996,453,953.80/1,494,680,930.70 = 906,055,839.70/x
  3. Step 3: Cross multiply
    996,453,953.80x = 1,494,680,930.70 × 906,055,839.70
  4. Step 4: Simplify right side
    996,453,953.80x = 1,354,264,385,748,966,144
  5. Step 5: Solve for x
    x = 1,354,264,385,748,966,144/996,453,953.80
  6. Step 6: Final answer
    x = 1,359,083,759.55

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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.