Home / 349,517,493,431.11-478,831,003,094.95-336,449,595,703.20

Finding the Fourth Proportional to 349,517,493,431.11, 478,831,003,094.95 and 336,449,595,703.20

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Solution

The fourth proportional to 349,517,493,431.11, 478,831,003,094.95 and 336,449,595,703.20 is: 460,928,280,927.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,517,493,431.11 : 478,831,003,094.95 = 336,449,595,703.20 : x
  2. Step 2: Convert to fraction form
    349,517,493,431.11/478,831,003,094.95 = 336,449,595,703.20/x
  3. Step 3: Cross multiply
    349,517,493,431.11x = 478,831,003,094.95 × 336,449,595,703.20
  4. Step 4: Simplify right side
    349,517,493,431.11x = 161,102,497,401,453,649,330,176
  5. Step 5: Solve for x
    x = 161,102,497,401,453,649,330,176/349,517,493,431.11
  6. Step 6: Final answer
    x = 460,928,280,927.97

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.