Home / 405,504,013.60-608,256,020.40-201,063,642.40

Finding the Fourth Proportional to 405,504,013.60, 608,256,020.40 and 201,063,642.40

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Solution

The fourth proportional to 405,504,013.60, 608,256,020.40 and 201,063,642.40 is: 301,595,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,504,013.60 : 608,256,020.40 = 201,063,642.40 : x
  2. Step 2: Convert to fraction form
    405,504,013.60/608,256,020.40 = 201,063,642.40/x
  3. Step 3: Cross multiply
    405,504,013.60x = 608,256,020.40 × 201,063,642.40
  4. Step 4: Simplify right side
    405,504,013.60x = 122,298,170,973,352,704
  5. Step 5: Solve for x
    x = 122,298,170,973,352,704/405,504,013.60
  6. Step 6: Final answer
    x = 301,595,463.60

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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.