Finding the Fourth Proportional to 5,358,774,511.69, 8,039,077,528.95 and 2,209,267,442.52
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Solution
The fourth proportional to 5,358,774,511.69, 8,039,077,528.95 and 2,209,267,442.52 is: 3,314,278,705.68
Step by Step Solution
- Step 1: Write the proportion equation
5,358,774,511.69 : 8,039,077,528.95 = 2,209,267,442.52 : x - Step 2: Convert to fraction form
5,358,774,511.69/8,039,077,528.95 = 2,209,267,442.52/x - Step 3: Cross multiply
5,358,774,511.69x = 8,039,077,528.95 × 2,209,267,442.52 - Step 4: Simplify right side
5,358,774,511.69x = 17,760,472,252,603,367,424 - Step 5: Solve for x
x = 17,760,472,252,603,367,424/5,358,774,511.69 - Step 6: Final answer
x = 3,314,278,705.68
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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.