Finding the Fourth Proportional to 3,999,780,618.04, 5,519,695,333.05 and 2,392,235,585.08
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Solution
The fourth proportional to 3,999,780,618.04, 5,519,695,333.05 and 2,392,235,585.08 is: 3,301,283,959.18
Step by Step Solution
- Step 1: Write the proportion equation
3,999,780,618.04 : 5,519,695,333.05 = 2,392,235,585.08 : x - Step 2: Convert to fraction form
3,999,780,618.04/5,519,695,333.05 = 2,392,235,585.08/x - Step 3: Cross multiply
3,999,780,618.04x = 5,519,695,333.05 × 2,392,235,585.08 - Step 4: Simplify right side
3,999,780,618.04x = 13,204,411,594,552,205,312 - Step 5: Solve for x
x = 13,204,411,594,552,205,312/3,999,780,618.04 - Step 6: Final answer
x = 3,301,283,959.18
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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.