Finding the Fourth Proportional to 80,724,804,387.96, 121,059,165,678.84 and 44,924,194,731.66
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Solution
The fourth proportional to 80,724,804,387.96, 121,059,165,678.84 and 44,924,194,731.66 is: 67,370,687,042.75
Step by Step Solution
- Step 1: Write the proportion equation
80,724,804,387.96 : 121,059,165,678.84 = 44,924,194,731.66 : x - Step 2: Convert to fraction form
80,724,804,387.96/121,059,165,678.84 = 44,924,194,731.66/x - Step 3: Cross multiply
80,724,804,387.96x = 121,059,165,678.84 × 44,924,194,731.66 - Step 4: Simplify right side
80,724,804,387.96x = 5,438,485,533,008,499,572,736 - Step 5: Solve for x
x = 5,438,485,533,008,499,572,736/80,724,804,387.96 - Step 6: Final answer
x = 67,370,687,042.75
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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.