Home / 420,379,025.09-580,140,678.88-241,763,052.87

Finding the Fourth Proportional to 420,379,025.09, 580,140,678.88 and 241,763,052.87

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Solution

The fourth proportional to 420,379,025.09, 580,140,678.88 and 241,763,052.87 is: 333,643,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,379,025.09 : 580,140,678.88 = 241,763,052.87 : x
  2. Step 2: Convert to fraction form
    420,379,025.09/580,140,678.88 = 241,763,052.87/x
  3. Step 3: Cross multiply
    420,379,025.09x = 580,140,678.88 × 241,763,052.87
  4. Step 4: Simplify right side
    420,379,025.09x = 140,256,581,620,808,480
  5. Step 5: Solve for x
    x = 140,256,581,620,808,480/420,379,025.09
  6. Step 6: Final answer
    x = 333,643,148.80

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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.