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Finding the Fourth Proportional to 839,808,692.90, 1,259,713,039.35 and 635,735,348.90

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Solution

The fourth proportional to 839,808,692.90, 1,259,713,039.35 and 635,735,348.90 is: 953,603,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,692.90 : 1,259,713,039.35 = 635,735,348.90 : x
  2. Step 2: Convert to fraction form
    839,808,692.90/1,259,713,039.35 = 635,735,348.90/x
  3. Step 3: Cross multiply
    839,808,692.90x = 1,259,713,039.35 × 635,735,348.90
  4. Step 4: Simplify right side
    839,808,692.90x = 800,844,108,585,051,648
  5. Step 5: Solve for x
    x = 800,844,108,585,051,648/839,808,692.90
  6. Step 6: Final answer
    x = 953,603,023.35

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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.