Finding the Fourth Proportional to 2,912,499,245.73, 4,371,857,795.70 and 1,255,224,402.09
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Solution
The fourth proportional to 2,912,499,245.73, 4,371,857,795.70 and 1,255,224,402.09 is: 1,884,176,483.71
Step by Step Solution
- Step 1: Write the proportion equation
2,912,499,245.73 : 4,371,857,795.70 = 1,255,224,402.09 : x - Step 2: Convert to fraction form
2,912,499,245.73/4,371,857,795.70 = 1,255,224,402.09/x - Step 3: Cross multiply
2,912,499,245.73x = 4,371,857,795.70 × 1,255,224,402.09 - Step 4: Simplify right side
2,912,499,245.73x = 5,487,662,587,630,036,992 - Step 5: Solve for x
x = 5,487,662,587,630,036,992/2,912,499,245.73 - Step 6: Final answer
x = 1,884,176,483.71
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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.