Home / 647,950,523.20-971,925,784.80-163,276,331.20

Finding the Fourth Proportional to 647,950,523.20, 971,925,784.80 and 163,276,331.20

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Solution

The fourth proportional to 647,950,523.20, 971,925,784.80 and 163,276,331.20 is: 244,914,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,950,523.20 : 971,925,784.80 = 163,276,331.20 : x
  2. Step 2: Convert to fraction form
    647,950,523.20/971,925,784.80 = 163,276,331.20/x
  3. Step 3: Cross multiply
    647,950,523.20x = 971,925,784.80 × 163,276,331.20
  4. Step 4: Simplify right side
    647,950,523.20x = 158,692,476,340,824,704
  5. Step 5: Solve for x
    x = 158,692,476,340,824,704/647,950,523.20
  6. Step 6: Final answer
    x = 244,914,496.80

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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.