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Finding the Fourth Proportional to 1,270,692,764.64, 1,753,012,069.82 and 793,554,781.00

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Solution

The fourth proportional to 1,270,692,764.64, 1,753,012,069.82 and 793,554,781.00 is: 1,094,765,900.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,692,764.64 : 1,753,012,069.82 = 793,554,781.00 : x
  2. Step 2: Convert to fraction form
    1,270,692,764.64/1,753,012,069.82 = 793,554,781.00/x
  3. Step 3: Cross multiply
    1,270,692,764.64x = 1,753,012,069.82 × 793,554,781.00
  4. Step 4: Simplify right side
    1,270,692,764.64x = 1,391,111,109,148,016,384
  5. Step 5: Solve for x
    x = 1,391,111,109,148,016,384/1,270,692,764.64
  6. Step 6: Final answer
    x = 1,094,765,900.82

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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.