Home / 1,214,863,811,432.60-1,821,020,089,780.80-408,750,890,954.94

Finding the Fourth Proportional to 1,214,863,811,432.60, 1,821,020,089,780.80 and 408,750,890,954.94

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Solution

The fourth proportional to 1,214,863,811,432.60, 1,821,020,089,780.80 and 408,750,890,954.94 is: 612,697,141,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,863,811,432.60 : 1,821,020,089,780.80 = 408,750,890,954.94 : x
  2. Step 2: Convert to fraction form
    1,214,863,811,432.60/1,821,020,089,780.80 = 408,750,890,954.94/x
  3. Step 3: Cross multiply
    1,214,863,811,432.60x = 1,821,020,089,780.80 × 408,750,890,954.94
  4. Step 4: Simplify right side
    1,214,863,811,432.60x = 744,343,584,144,746,893,803,520
  5. Step 5: Solve for x
    x = 744,343,584,144,746,893,803,520/1,214,863,811,432.60
  6. Step 6: Final answer
    x = 612,697,141,144.57

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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.