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Finding the Fourth Proportional to 1,270,692,748.42, 1,753,012,047.56 and 793,554,764.68

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Solution

The fourth proportional to 1,270,692,748.42, 1,753,012,047.56 and 793,554,764.68 is: 1,094,765,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,692,748.42 : 1,753,012,047.56 = 793,554,764.68 : x
  2. Step 2: Convert to fraction form
    1,270,692,748.42/1,753,012,047.56 = 793,554,764.68/x
  3. Step 3: Cross multiply
    1,270,692,748.42x = 1,753,012,047.56 × 793,554,764.68
  4. Step 4: Simplify right side
    1,270,692,748.42x = 1,391,111,062,882,680,576
  5. Step 5: Solve for x
    x = 1,391,111,062,882,680,576/1,270,692,748.42
  6. Step 6: Final answer
    x = 1,094,765,878.39

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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.