Finding the Fourth Proportional to 4,844,503,443.42, 6,685,417,681.56 and 2,616,836,615.82
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Solution
The fourth proportional to 4,844,503,443.42, 6,685,417,681.56 and 2,616,836,615.82 is: 3,611,236,112.32
Step by Step Solution
- Step 1: Write the proportion equation
4,844,503,443.42 : 6,685,417,681.56 = 2,616,836,615.82 : x - Step 2: Convert to fraction form
4,844,503,443.42/6,685,417,681.56 = 2,616,836,615.82/x - Step 3: Cross multiply
4,844,503,443.42x = 6,685,417,681.56 × 2,616,836,615.82 - Step 4: Simplify right side
4,844,503,443.42x = 17,494,645,781,156,663,296 - Step 5: Solve for x
x = 17,494,645,781,156,663,296/4,844,503,443.42 - Step 6: Final answer
x = 3,611,236,112.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.