Finding the Fourth Proportional to 2,279,569,237.41, 3,145,837,675.02 and 1,313,419,175.47
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Solution
The fourth proportional to 2,279,569,237.41, 3,145,837,675.02 and 1,313,419,175.47 is: 1,812,536,972.98
Step by Step Solution
- Step 1: Write the proportion equation
2,279,569,237.41 : 3,145,837,675.02 = 1,313,419,175.47 : x - Step 2: Convert to fraction form
2,279,569,237.41/3,145,837,675.02 = 1,313,419,175.47/x - Step 3: Cross multiply
2,279,569,237.41x = 3,145,837,675.02 × 1,313,419,175.47 - Step 4: Simplify right side
2,279,569,237.41x = 4,131,803,525,264,933,376 - Step 5: Solve for x
x = 4,131,803,525,264,933,376/2,279,569,237.41 - Step 6: Final answer
x = 1,812,536,972.98
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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.