Finding the Fourth Proportional to 4,289,970,138.57, 6,434,975,759.68 and 1,302,059,181.98
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Solution
The fourth proportional to 4,289,970,138.57, 6,434,975,759.68 and 1,302,059,181.98 is: 1,953,095,010.71
Step by Step Solution
- Step 1: Write the proportion equation
4,289,970,138.57 : 6,434,975,759.68 = 1,302,059,181.98 : x - Step 2: Convert to fraction form
4,289,970,138.57/6,434,975,759.68 = 1,302,059,181.98/x - Step 3: Cross multiply
4,289,970,138.57x = 6,434,975,759.68 × 1,302,059,181.98 - Step 4: Simplify right side
4,289,970,138.57x = 8,378,719,273,727,720,448 - Step 5: Solve for x
x = 8,378,719,273,727,720,448/4,289,970,138.57 - Step 6: Final answer
x = 1,953,095,010.71
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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.