Home / 302,911,941.56-453,435,998.90-197,640,609.42

Finding the Fourth Proportional to 302,911,941.56, 453,435,998.90 and 197,640,609.42

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Solution

The fourth proportional to 302,911,941.56, 453,435,998.90 and 197,640,609.42 is: 295,852,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,911,941.56 : 453,435,998.90 = 197,640,609.42 : x
  2. Step 2: Convert to fraction form
    302,911,941.56/453,435,998.90 = 197,640,609.42/x
  3. Step 3: Cross multiply
    302,911,941.56x = 453,435,998.90 × 197,640,609.42
  4. Step 4: Simplify right side
    302,911,941.56x = 89,617,367,156,274,640
  5. Step 5: Solve for x
    x = 89,617,367,156,274,640/302,911,941.56
  6. Step 6: Final answer
    x = 295,852,869.63

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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.