Home / 3,113,978,742.36-4,297,302,048.96-1,685,049,856.20

Finding the Fourth Proportional to 3,113,978,742.36, 4,297,302,048.96 and 1,685,049,856.20

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Solution

The fourth proportional to 3,113,978,742.36, 4,297,302,048.96 and 1,685,049,856.20 is: 2,325,374,961.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,978,742.36 : 4,297,302,048.96 = 1,685,049,856.20 : x
  2. Step 2: Convert to fraction form
    3,113,978,742.36/4,297,302,048.96 = 1,685,049,856.20/x
  3. Step 3: Cross multiply
    3,113,978,742.36x = 4,297,302,048.96 × 1,685,049,856.20
  4. Step 4: Simplify right side
    3,113,978,742.36x = 7,241,168,199,648,013,312
  5. Step 5: Solve for x
    x = 7,241,168,199,648,013,312/3,113,978,742.36
  6. Step 6: Final answer
    x = 2,325,374,961.99

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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.