Home / 1,214,863,811,433.80-1,821,020,089,782.80-408,750,890,956.19

Finding the Fourth Proportional to 1,214,863,811,433.80, 1,821,020,089,782.80 and 408,750,890,956.19

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Solution

The fourth proportional to 1,214,863,811,433.80, 1,821,020,089,782.80 and 408,750,890,956.19 is: 612,697,141,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,863,811,433.80 : 1,821,020,089,782.80 = 408,750,890,956.19 : x
  2. Step 2: Convert to fraction form
    1,214,863,811,433.80/1,821,020,089,782.80 = 408,750,890,956.19/x
  3. Step 3: Cross multiply
    1,214,863,811,433.80x = 1,821,020,089,782.80 × 408,750,890,956.19
  4. Step 4: Simplify right side
    1,214,863,811,433.80x = 744,343,584,147,840,612,433,920
  5. Step 5: Solve for x
    x = 744,343,584,147,840,612,433,920/1,214,863,811,433.80
  6. Step 6: Final answer
    x = 612,697,141,146.51

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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.