Finding the Fourth Proportional to 48,649,789,518.02, 72,948,081,689.68 and 38,629,867,367.18
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Solution
The fourth proportional to 48,649,789,518.02, 72,948,081,689.68 and 38,629,867,367.18 is: 57,923,677,538.60
Step by Step Solution
- Step 1: Write the proportion equation
48,649,789,518.02 : 72,948,081,689.68 = 38,629,867,367.18 : x - Step 2: Convert to fraction form
48,649,789,518.02/72,948,081,689.68 = 38,629,867,367.18/x - Step 3: Cross multiply
48,649,789,518.02x = 72,948,081,689.68 × 38,629,867,367.18 - Step 4: Simplify right side
48,649,789,518.02x = 2,817,974,720,362,550,132,736 - Step 5: Solve for x
x = 2,817,974,720,362,550,132,736/48,649,789,518.02 - Step 6: Final answer
x = 57,923,677,538.60
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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.