Home / 994,164,945.10-1,491,400,645.48-338,962,743.50

Finding the Fourth Proportional to 994,164,945.10, 1,491,400,645.48 and 338,962,743.50

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Solution

The fourth proportional to 994,164,945.10, 1,491,400,645.48 and 338,962,743.50 is: 508,496,358.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,164,945.10 : 1,491,400,645.48 = 338,962,743.50 : x
  2. Step 2: Convert to fraction form
    994,164,945.10/1,491,400,645.48 = 338,962,743.50/x
  3. Step 3: Cross multiply
    994,164,945.10x = 1,491,400,645.48 × 338,962,743.50
  4. Step 4: Simplify right side
    994,164,945.10x = 505,529,254,442,114,688
  5. Step 5: Solve for x
    x = 505,529,254,442,114,688/994,164,945.10
  6. Step 6: Final answer
    x = 508,496,358.61

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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.