Home / 413,977,247.20-620,831,530.68-137,554,230.16

Finding the Fourth Proportional to 413,977,247.20, 620,831,530.68 and 137,554,230.16

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Solution

The fourth proportional to 413,977,247.20, 620,831,530.68 and 137,554,230.16 is: 206,286,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,977,247.20 : 620,831,530.68 = 137,554,230.16 : x
  2. Step 2: Convert to fraction form
    413,977,247.20/620,831,530.68 = 137,554,230.16/x
  3. Step 3: Cross multiply
    413,977,247.20x = 620,831,530.68 × 137,554,230.16
  4. Step 4: Simplify right side
    413,977,247.20x = 85,398,003,261,741,808
  5. Step 5: Solve for x
    x = 85,398,003,261,741,808/413,977,247.20
  6. Step 6: Final answer
    x = 206,286,707.40

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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.