Home / 1,192,258,884.56-1,645,317,339.80-663,611,525.60

Finding the Fourth Proportional to 1,192,258,884.56, 1,645,317,339.80 and 663,611,525.60

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Solution

The fourth proportional to 1,192,258,884.56, 1,645,317,339.80 and 663,611,525.60 is: 915,783,949.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,258,884.56 : 1,645,317,339.80 = 663,611,525.60 : x
  2. Step 2: Convert to fraction form
    1,192,258,884.56/1,645,317,339.80 = 663,611,525.60/x
  3. Step 3: Cross multiply
    1,192,258,884.56x = 1,645,317,339.80 × 663,611,525.60
  4. Step 4: Simplify right side
    1,192,258,884.56x = 1,091,851,549,960,811,648
  5. Step 5: Solve for x
    x = 1,091,851,549,960,811,648/1,192,258,884.56
  6. Step 6: Final answer
    x = 915,783,949.36

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Double scale
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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.