Finding the Fourth Proportional to 1,475,329,745.84, 2,035,961,397.28 and 806,288,511.92
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Solution
The fourth proportional to 1,475,329,745.84, 2,035,961,397.28 and 806,288,511.92 is: 1,112,681,615.73
Step by Step Solution
- Step 1: Write the proportion equation
1,475,329,745.84 : 2,035,961,397.28 = 806,288,511.92 : x - Step 2: Convert to fraction form
1,475,329,745.84/2,035,961,397.28 = 806,288,511.92/x - Step 3: Cross multiply
1,475,329,745.84x = 2,035,961,397.28 × 806,288,511.92 - Step 4: Simplify right side
1,475,329,745.84x = 1,641,572,285,339,454,976 - Step 5: Solve for x
x = 1,641,572,285,339,454,976/1,475,329,745.84 - Step 6: Final answer
x = 1,112,681,615.73
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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.