Home / 684,599,355.18-1,026,558,993.21-218,200,090.57

Finding the Fourth Proportional to 684,599,355.18, 1,026,558,993.21 and 218,200,090.57

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Solution

The fourth proportional to 684,599,355.18, 1,026,558,993.21 and 218,200,090.57 is: 327,191,756.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,599,355.18 : 1,026,558,993.21 = 218,200,090.57 : x
  2. Step 2: Convert to fraction form
    684,599,355.18/1,026,558,993.21 = 218,200,090.57/x
  3. Step 3: Cross multiply
    684,599,355.18x = 1,026,558,993.21 × 218,200,090.57
  4. Step 4: Simplify right side
    684,599,355.18x = 223,995,265,294,324,032
  5. Step 5: Solve for x
    x = 223,995,265,294,324,032/684,599,355.18
  6. Step 6: Final answer
    x = 327,191,756.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.