Home / 890,488,245,826.80-1,335,732,368,740.20-465,852,431,631.60

Finding the Fourth Proportional to 890,488,245,826.80, 1,335,732,368,740.20 and 465,852,431,631.60

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Solution

The fourth proportional to 890,488,245,826.80, 1,335,732,368,740.20 and 465,852,431,631.60 is: 698,778,647,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,488,245,826.80 : 1,335,732,368,740.20 = 465,852,431,631.60 : x
  2. Step 2: Convert to fraction form
    890,488,245,826.80/1,335,732,368,740.20 = 465,852,431,631.60/x
  3. Step 3: Cross multiply
    890,488,245,826.80x = 1,335,732,368,740.20 × 465,852,431,631.60
  4. Step 4: Simplify right side
    890,488,245,826.80x = 622,254,171,986,659,104,522,240
  5. Step 5: Solve for x
    x = 622,254,171,986,659,104,522,240/890,488,245,826.80
  6. Step 6: Final answer
    x = 698,778,647,447.40

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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.