Home / 3,648,112,161.58-5,034,402,201.35-1,977,362,434.54

Finding the Fourth Proportional to 3,648,112,161.58, 5,034,402,201.35 and 1,977,362,434.54

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Solution

The fourth proportional to 3,648,112,161.58, 5,034,402,201.35 and 1,977,362,434.54 is: 2,728,764,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648,112,161.58 : 5,034,402,201.35 = 1,977,362,434.54 : x
  2. Step 2: Convert to fraction form
    3,648,112,161.58/5,034,402,201.35 = 1,977,362,434.54/x
  3. Step 3: Cross multiply
    3,648,112,161.58x = 5,034,402,201.35 × 1,977,362,434.54
  4. Step 4: Simplify right side
    3,648,112,161.58x = 9,954,837,793,314,971,648
  5. Step 5: Solve for x
    x = 9,954,837,793,314,971,648/3,648,112,161.58
  6. Step 6: Final answer
    x = 2,728,764,180.60

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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.