Home / 3,648,112,162.10-5,034,402,202.11-1,977,362,435.06

Finding the Fourth Proportional to 3,648,112,162.10, 5,034,402,202.11 and 1,977,362,435.06

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Solution

The fourth proportional to 3,648,112,162.10, 5,034,402,202.11 and 1,977,362,435.06 is: 2,728,764,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648,112,162.10 : 5,034,402,202.11 = 1,977,362,435.06 : x
  2. Step 2: Convert to fraction form
    3,648,112,162.10/5,034,402,202.11 = 1,977,362,435.06/x
  3. Step 3: Cross multiply
    3,648,112,162.10x = 5,034,402,202.11 × 1,977,362,435.06
  4. Step 4: Simplify right side
    3,648,112,162.10x = 9,954,837,797,450,995,712
  5. Step 5: Solve for x
    x = 9,954,837,797,450,995,712/3,648,112,162.10
  6. Step 6: Final answer
    x = 2,728,764,181.34

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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.