Finding the Fourth Proportional to 8,390,835,530.10, 11,579,351,219.73 and 4,631,645,125.62
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Solution
The fourth proportional to 8,390,835,530.10, 11,579,351,219.73 and 4,631,645,125.62 is: 6,391,669,273.26
Step by Step Solution
- Step 1: Write the proportion equation
8,390,835,530.10 : 11,579,351,219.73 = 4,631,645,125.62 : x - Step 2: Convert to fraction form
8,390,835,530.10/11,579,351,219.73 = 4,631,645,125.62/x - Step 3: Cross multiply
8,390,835,530.10x = 11,579,351,219.73 × 4,631,645,125.62 - Step 4: Simplify right side
8,390,835,530.10x = 53,631,445,634,704,449,536 - Step 5: Solve for x
x = 53,631,445,634,704,449,536/8,390,835,530.10 - Step 6: Final answer
x = 6,391,669,273.26
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Double scale
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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.