Finding the Fourth Proportional to 7,862,509,465.04, 11,795,422,589.32 and 2,550,209,052.28
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Solution
The fourth proportional to 7,862,509,465.04, 11,795,422,589.32 and 2,550,209,052.28 is: 3,825,851,478.65
Step by Step Solution
- Step 1: Write the proportion equation
7,862,509,465.04 : 11,795,422,589.32 = 2,550,209,052.28 : x - Step 2: Convert to fraction form
7,862,509,465.04/11,795,422,589.32 = 2,550,209,052.28/x - Step 3: Cross multiply
7,862,509,465.04x = 11,795,422,589.32 × 2,550,209,052.28 - Step 4: Simplify right side
7,862,509,465.04x = 30,080,793,462,751,862,784 - Step 5: Solve for x
x = 30,080,793,462,751,862,784/7,862,509,465.04 - Step 6: Final answer
x = 3,825,851,478.65
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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.