Home / 684,359,496.62-1,026,129,297.36-217,819,399.94

Finding the Fourth Proportional to 684,359,496.62, 1,026,129,297.36 and 217,819,399.94

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Solution

The fourth proportional to 684,359,496.62, 1,026,129,297.36 and 217,819,399.94 is: 326,598,620.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,359,496.62 : 1,026,129,297.36 = 217,819,399.94 : x
  2. Step 2: Convert to fraction form
    684,359,496.62/1,026,129,297.36 = 217,819,399.94/x
  3. Step 3: Cross multiply
    684,359,496.62x = 1,026,129,297.36 × 217,819,399.94
  4. Step 4: Simplify right side
    684,359,496.62x = 223,510,867,811,809,024
  5. Step 5: Solve for x
    x = 223,510,867,811,809,024/684,359,496.62
  6. Step 6: Final answer
    x = 326,598,620.92

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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.