Home / 629,118,215.20-943,677,322.80-353,619,200.80

Finding the Fourth Proportional to 629,118,215.20, 943,677,322.80 and 353,619,200.80

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Solution

The fourth proportional to 629,118,215.20, 943,677,322.80 and 353,619,200.80 is: 530,428,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,118,215.20 : 943,677,322.80 = 353,619,200.80 : x
  2. Step 2: Convert to fraction form
    629,118,215.20/943,677,322.80 = 353,619,200.80/x
  3. Step 3: Cross multiply
    629,118,215.20x = 943,677,322.80 × 353,619,200.80
  4. Step 4: Simplify right side
    629,118,215.20x = 333,702,420,701,619,584
  5. Step 5: Solve for x
    x = 333,702,420,701,619,584/629,118,215.20
  6. Step 6: Final answer
    x = 530,428,801.20

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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.