Home / 889,629,030.96-1,226,960,104.92-626,183,127.60

Finding the Fourth Proportional to 889,629,030.96, 1,226,960,104.92 and 626,183,127.60

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Solution

The fourth proportional to 889,629,030.96, 1,226,960,104.92 and 626,183,127.60 is: 863,620,328.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,629,030.96 : 1,226,960,104.92 = 626,183,127.60 : x
  2. Step 2: Convert to fraction form
    889,629,030.96/1,226,960,104.92 = 626,183,127.60/x
  3. Step 3: Cross multiply
    889,629,030.96x = 1,226,960,104.92 × 626,183,127.60
  4. Step 4: Simplify right side
    889,629,030.96x = 768,301,715,939,229,824
  5. Step 5: Solve for x
    x = 768,301,715,939,229,824/889,629,030.96
  6. Step 6: Final answer
    x = 863,620,328.48

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Double scale
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1.5x scale

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.