Finding the Fourth Proportional to 3,564,804,970.30, 5,347,207,455.45 and 3,413,663,149.90
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Solution
The fourth proportional to 3,564,804,970.30, 5,347,207,455.45 and 3,413,663,149.90 is: 5,120,494,724.85
Step by Step Solution
- Step 1: Write the proportion equation
3,564,804,970.30 : 5,347,207,455.45 = 3,413,663,149.90 : x - Step 2: Convert to fraction form
3,564,804,970.30/5,347,207,455.45 = 3,413,663,149.90/x - Step 3: Cross multiply
3,564,804,970.30x = 5,347,207,455.45 × 3,413,663,149.90 - Step 4: Simplify right side
3,564,804,970.30x = 18,253,565,045,540,210,688 - Step 5: Solve for x
x = 18,253,565,045,540,210,688/3,564,804,970.30 - Step 6: Final answer
x = 5,120,494,724.85
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1.5x scale
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.