Home / 394,601,195.40-553,348,666.20-394,601,195.40

Finding the Fourth Proportional to 394,601,195.40, 553,348,666.20 and 394,601,195.40

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Solution

The fourth proportional to 394,601,195.40, 553,348,666.20 and 394,601,195.40 is: 553,348,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,601,195.40 : 553,348,666.20 = 394,601,195.40 : x
  2. Step 2: Convert to fraction form
    394,601,195.40/553,348,666.20 = 394,601,195.40/x
  3. Step 3: Cross multiply
    394,601,195.40x = 553,348,666.20 × 394,601,195.40
  4. Step 4: Simplify right side
    394,601,195.40x = 218,352,045,155,515,584
  5. Step 5: Solve for x
    x = 218,352,045,155,515,584/394,601,195.40
  6. Step 6: Final answer
    x = 553,348,666.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.