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Finding the Fourth Proportional to 1,270,966,930.03, 1,753,889,628.88 and 698,745,816.24

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Solution

The fourth proportional to 1,270,966,930.03, 1,753,889,628.88 and 698,745,816.24 is: 964,244,632.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,966,930.03 : 1,753,889,628.88 = 698,745,816.24 : x
  2. Step 2: Convert to fraction form
    1,270,966,930.03/1,753,889,628.88 = 698,745,816.24/x
  3. Step 3: Cross multiply
    1,270,966,930.03x = 1,753,889,628.88 × 698,745,816.24
  4. Step 4: Simplify right side
    1,270,966,930.03x = 1,225,523,040,326,626,304
  5. Step 5: Solve for x
    x = 1,225,523,040,326,626,304/1,270,966,930.03
  6. Step 6: Final answer
    x = 964,244,632.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.