Finding the Fourth Proportional to 9,631,214,885.20, 14,446,822,327.80 and 8,161,886,808.40
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Solution
The fourth proportional to 9,631,214,885.20, 14,446,822,327.80 and 8,161,886,808.40 is: 12,242,830,212.60
Step by Step Solution
- Step 1: Write the proportion equation
9,631,214,885.20 : 14,446,822,327.80 = 8,161,886,808.40 : x - Step 2: Convert to fraction form
9,631,214,885.20/14,446,822,327.80 = 8,161,886,808.40/x - Step 3: Cross multiply
9,631,214,885.20x = 14,446,822,327.80 × 8,161,886,808.40 - Step 4: Simplify right side
9,631,214,885.20x = 117,913,328,580,569,382,912 - Step 5: Solve for x
x = 117,913,328,580,569,382,912/9,631,214,885.20 - Step 6: Final answer
x = 12,242,830,212.60
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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.