Home / 437,292,004.60-656,189,949.30-164,858,289.40

Finding the Fourth Proportional to 437,292,004.60, 656,189,949.30 and 164,858,289.40

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Solution

The fourth proportional to 437,292,004.60, 656,189,949.30 and 164,858,289.40 is: 247,382,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,292,004.60 : 656,189,949.30 = 164,858,289.40 : x
  2. Step 2: Convert to fraction form
    437,292,004.60/656,189,949.30 = 164,858,289.40/x
  3. Step 3: Cross multiply
    437,292,004.60x = 656,189,949.30 × 164,858,289.40
  4. Step 4: Simplify right side
    437,292,004.60x = 108,178,352,563,070,720
  5. Step 5: Solve for x
    x = 108,178,352,563,070,720/437,292,004.60
  6. Step 6: Final answer
    x = 247,382,415.93

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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.