Home / 656,384,945.36-905,800,579.54-359,024,586.31

Finding the Fourth Proportional to 656,384,945.36, 905,800,579.54 and 359,024,586.31

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Solution

The fourth proportional to 656,384,945.36, 905,800,579.54 and 359,024,586.31 is: 495,448,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,384,945.36 : 905,800,579.54 = 359,024,586.31 : x
  2. Step 2: Convert to fraction form
    656,384,945.36/905,800,579.54 = 359,024,586.31/x
  3. Step 3: Cross multiply
    656,384,945.36x = 905,800,579.54 × 359,024,586.31
  4. Step 4: Simplify right side
    656,384,945.36x = 325,204,678,348,941,440
  5. Step 5: Solve for x
    x = 325,204,678,348,941,440/656,384,945.36
  6. Step 6: Final answer
    x = 495,448,106.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.