Finding the Fourth Proportional to 19,795,194,548.18, 27,318,349,941.70 and 12,279,237,061.58
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Solution
The fourth proportional to 19,795,194,548.18, 27,318,349,941.70 and 12,279,237,061.58 is: 16,945,955,961.63
Step by Step Solution
- Step 1: Write the proportion equation
19,795,194,548.18 : 27,318,349,941.70 = 12,279,237,061.58 : x - Step 2: Convert to fraction form
19,795,194,548.18/27,318,349,941.70 = 12,279,237,061.58/x - Step 3: Cross multiply
19,795,194,548.18x = 27,318,349,941.70 × 12,279,237,061.58 - Step 4: Simplify right side
19,795,194,548.18x = 335,448,495,065,245,745,152 - Step 5: Solve for x
x = 335,448,495,065,245,745,152/19,795,194,548.18 - Step 6: Final answer
x = 16,945,955,961.63
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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.