Home / 1,214,863,811,304.50-1,821,020,089,588.30-408,750,890,826.35

Finding the Fourth Proportional to 1,214,863,811,304.50, 1,821,020,089,588.30 and 408,750,890,826.35

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Solution

The fourth proportional to 1,214,863,811,304.50, 1,821,020,089,588.30 and 408,750,890,826.35 is: 612,697,140,951.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,863,811,304.50 : 1,821,020,089,588.30 = 408,750,890,826.35 : x
  2. Step 2: Convert to fraction form
    1,214,863,811,304.50/1,821,020,089,588.30 = 408,750,890,826.35/x
  3. Step 3: Cross multiply
    1,214,863,811,304.50x = 1,821,020,089,588.30 × 408,750,890,826.35
  4. Step 4: Simplify right side
    1,214,863,811,304.50x = 744,343,583,831,897,315,213,312
  5. Step 5: Solve for x
    x = 744,343,583,831,897,315,213,312/1,214,863,811,304.50
  6. Step 6: Final answer
    x = 612,697,140,951.65

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Double scale
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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.