Home / 1,214,863,811,430.60-1,821,020,089,778.10-408,750,890,953.05

Finding the Fourth Proportional to 1,214,863,811,430.60, 1,821,020,089,778.10 and 408,750,890,953.05

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Solution

The fourth proportional to 1,214,863,811,430.60, 1,821,020,089,778.10 and 408,750,890,953.05 is: 612,697,141,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,863,811,430.60 : 1,821,020,089,778.10 = 408,750,890,953.05 : x
  2. Step 2: Convert to fraction form
    1,214,863,811,430.60/1,821,020,089,778.10 = 408,750,890,953.05/x
  3. Step 3: Cross multiply
    1,214,863,811,430.60x = 1,821,020,089,778.10 × 408,750,890,953.05
  4. Step 4: Simplify right side
    1,214,863,811,430.60x = 744,343,584,140,201,476,227,072
  5. Step 5: Solve for x
    x = 744,343,584,140,201,476,227,072/1,214,863,811,430.60
  6. Step 6: Final answer
    x = 612,697,141,141.84

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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.