Finding the Fourth Proportional to 2,279,569,240.29, 3,145,837,678.98 and 1,313,419,178.34
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Solution
The fourth proportional to 2,279,569,240.29, 3,145,837,678.98 and 1,313,419,178.34 is: 1,812,536,976.94
Step by Step Solution
- Step 1: Write the proportion equation
2,279,569,240.29 : 3,145,837,678.98 = 1,313,419,178.34 : x - Step 2: Convert to fraction form
2,279,569,240.29/3,145,837,678.98 = 1,313,419,178.34/x - Step 3: Cross multiply
2,279,569,240.29x = 3,145,837,678.98 × 1,313,419,178.34 - Step 4: Simplify right side
2,279,569,240.29x = 4,131,803,539,516,923,904 - Step 5: Solve for x
x = 4,131,803,539,516,923,904/2,279,569,240.29 - Step 6: Final answer
x = 1,812,536,976.94
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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.