Finding the Fourth Proportional to 8,279,921,454.88, 11,427,293,588.88 and 4,712,495,764
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Solution
The fourth proportional to 8,279,921,454.88, 11,427,293,588.88 and 4,712,495,764 is: 6,503,814,429.28
Step by Step Solution
- Step 1: Write the proportion equation
8,279,921,454.88 : 11,427,293,588.88 = 4,712,495,764 : x - Step 2: Convert to fraction form
8,279,921,454.88/11,427,293,588.88 = 4,712,495,764/x - Step 3: Cross multiply
8,279,921,454.88x = 11,427,293,588.88 × 4,712,495,764 - Step 4: Simplify right side
8,279,921,454.88x = 53,851,072,631,581,351,936 - Step 5: Solve for x
x = 53,851,072,631,581,351,936/8,279,921,454.88 - Step 6: Final answer
x = 6,503,814,429.28
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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.