Finding the Fourth Proportional to 3,944,837,925.36, 5,442,361,724.52 and 2,251,386,663.12
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Solution
The fourth proportional to 3,944,837,925.36, 5,442,361,724.52 and 2,251,386,663.12 is: 3,106,049,179.79
Step by Step Solution
- Step 1: Write the proportion equation
3,944,837,925.36 : 5,442,361,724.52 = 2,251,386,663.12 : x - Step 2: Convert to fraction form
3,944,837,925.36/5,442,361,724.52 = 2,251,386,663.12/x - Step 3: Cross multiply
3,944,837,925.36x = 5,442,361,724.52 × 2,251,386,663.12 - Step 4: Simplify right side
3,944,837,925.36x = 12,252,860,602,459,090,944 - Step 5: Solve for x
x = 12,252,860,602,459,090,944/3,944,837,925.36 - Step 6: Final answer
x = 3,106,049,179.79
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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.