Finding the Fourth Proportional to 4,186,417,285.57, 5,777,379,088.61 and 2,306,943,638.31
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Solution
The fourth proportional to 4,186,417,285.57, 5,777,379,088.61 and 2,306,943,638.31 is: 3,183,650,129.79
Step by Step Solution
- Step 1: Write the proportion equation
4,186,417,285.57 : 5,777,379,088.61 = 2,306,943,638.31 : x - Step 2: Convert to fraction form
4,186,417,285.57/5,777,379,088.61 = 2,306,943,638.31/x - Step 3: Cross multiply
4,186,417,285.57x = 5,777,379,088.61 × 2,306,943,638.31 - Step 4: Simplify right side
4,186,417,285.57x = 13,328,087,934,565,165,056 - Step 5: Solve for x
x = 13,328,087,934,565,165,056/4,186,417,285.57 - Step 6: Final answer
x = 3,183,650,129.79
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1.5x scale
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.