Home / 647,118,704,405.40-892,293,017,118.88-484,015,645,759.04

Finding the Fourth Proportional to 647,118,704,405.40, 892,293,017,118.88 and 484,015,645,759.04

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Solution

The fourth proportional to 647,118,704,405.40, 892,293,017,118.88 and 484,015,645,759.04 is: 667,394,989,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,118,704,405.40 : 892,293,017,118.88 = 484,015,645,759.04 : x
  2. Step 2: Convert to fraction form
    647,118,704,405.40/892,293,017,118.88 = 484,015,645,759.04/x
  3. Step 3: Cross multiply
    647,118,704,405.40x = 892,293,017,118.88 × 484,015,645,759.04
  4. Step 4: Simplify right side
    647,118,704,405.40x = 431,883,780,887,076,805,804,032
  5. Step 5: Solve for x
    x = 431,883,780,887,076,805,804,032/647,118,704,405.40
  6. Step 6: Final answer
    x = 667,394,989,430.74

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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.