Finding the Fourth Proportional to 492,579,118,847.39, 738,599,327,074.18 and 391,127,407,070.19
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Solution
The fourth proportional to 492,579,118,847.39, 738,599,327,074.18 and 391,127,407,070.19 is: 586,477,235,044.58
Step by Step Solution
- Step 1: Write the proportion equation
492,579,118,847.39 : 738,599,327,074.18 = 391,127,407,070.19 : x - Step 2: Convert to fraction form
492,579,118,847.39/738,599,327,074.18 = 391,127,407,070.19/x - Step 3: Cross multiply
492,579,118,847.39x = 738,599,327,074.18 × 391,127,407,070.19 - Step 4: Simplify right side
492,579,118,847.39x = 288,886,439,662,311,228,571,648 - Step 5: Solve for x
x = 288,886,439,662,311,228,571,648/492,579,118,847.39 - Step 6: Final answer
x = 586,477,235,044.58
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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.