Home / 443,232,912.90-664,849,369.35-120,116,784.90

Finding the Fourth Proportional to 443,232,912.90, 664,849,369.35 and 120,116,784.90

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Solution

The fourth proportional to 443,232,912.90, 664,849,369.35 and 120,116,784.90 is: 180,175,177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,912.90 : 664,849,369.35 = 120,116,784.90 : x
  2. Step 2: Convert to fraction form
    443,232,912.90/664,849,369.35 = 120,116,784.90/x
  3. Step 3: Cross multiply
    443,232,912.90x = 664,849,369.35 × 120,116,784.90
  4. Step 4: Simplify right side
    443,232,912.90x = 79,859,568,689,114,608
  5. Step 5: Solve for x
    x = 79,859,568,689,114,608/443,232,912.90
  6. Step 6: Final answer
    x = 180,175,177.35

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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.