Home / 744,788,328.49-1,117,213,936.26-220,158,630.64

Finding the Fourth Proportional to 744,788,328.49, 1,117,213,936.26 and 220,158,630.64

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Solution

The fourth proportional to 744,788,328.49, 1,117,213,936.26 and 220,158,630.64 is: 330,247,240.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,788,328.49 : 1,117,213,936.26 = 220,158,630.64 : x
  2. Step 2: Convert to fraction form
    744,788,328.49/1,117,213,936.26 = 220,158,630.64/x
  3. Step 3: Cross multiply
    744,788,328.49x = 1,117,213,936.26 × 220,158,630.64
  4. Step 4: Simplify right side
    744,788,328.49x = 245,964,290,338,925,824
  5. Step 5: Solve for x
    x = 245,964,290,338,925,824/744,788,328.49
  6. Step 6: Final answer
    x = 330,247,240.63

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1.5x scale

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.