Home / 1,353,540,573.26-1,868,498,031.35-852,485,729.39

Finding the Fourth Proportional to 1,353,540,573.26, 1,868,498,031.35 and 852,485,729.39

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Solution

The fourth proportional to 1,353,540,573.26, 1,868,498,031.35 and 852,485,729.39 is: 1,176,815,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,540,573.26 : 1,868,498,031.35 = 852,485,729.39 : x
  2. Step 2: Convert to fraction form
    1,353,540,573.26/1,868,498,031.35 = 852,485,729.39/x
  3. Step 3: Cross multiply
    1,353,540,573.26x = 1,868,498,031.35 × 852,485,729.39
  4. Step 4: Simplify right side
    1,353,540,573.26x = 1,592,867,907,119,183,616
  5. Step 5: Solve for x
    x = 1,592,867,907,119,183,616/1,353,540,573.26
  6. Step 6: Final answer
    x = 1,176,815,781.21

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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.