Finding the Fourth Proportional to 9,389,230,226.70, 12,957,264,051.24 and 5,102,528,638.26
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Solution
The fourth proportional to 9,389,230,226.70, 12,957,264,051.24 and 5,102,528,638.26 is: 7,041,558,178.75
Step by Step Solution
- Step 1: Write the proportion equation
9,389,230,226.70 : 12,957,264,051.24 = 5,102,528,638.26 : x - Step 2: Convert to fraction form
9,389,230,226.70/12,957,264,051.24 = 5,102,528,638.26/x - Step 3: Cross multiply
9,389,230,226.70x = 12,957,264,051.24 × 5,102,528,638.26 - Step 4: Simplify right side
9,389,230,226.70x = 66,114,810,894,948,892,672 - Step 5: Solve for x
x = 66,114,810,894,948,892,672/9,389,230,226.70 - Step 6: Final answer
x = 7,041,558,178.75
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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.