Home / 1,214,863,811,314-1,821,020,089,602.60-408,750,890,835.85

Finding the Fourth Proportional to 1,214,863,811,314, 1,821,020,089,602.60 and 408,750,890,835.85

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Solution

The fourth proportional to 1,214,863,811,314, 1,821,020,089,602.60 and 408,750,890,835.85 is: 612,697,140,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,863,811,314 : 1,821,020,089,602.60 = 408,750,890,835.85 : x
  2. Step 2: Convert to fraction form
    1,214,863,811,314/1,821,020,089,602.60 = 408,750,890,835.85/x
  3. Step 3: Cross multiply
    1,214,863,811,314x = 1,821,020,089,602.60 × 408,750,890,835.85
  4. Step 4: Simplify right side
    1,214,863,811,314x = 744,343,583,855,042,088,665,088
  5. Step 5: Solve for x
    x = 744,343,583,855,042,088,665,088/1,214,863,811,314
  6. Step 6: Final answer
    x = 612,697,140,965.92

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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.