Finding the Fourth Proportional to 2,279,569,237.47, 3,145,837,675.10 and 1,313,419,175.53
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Solution
The fourth proportional to 2,279,569,237.47, 3,145,837,675.10 and 1,313,419,175.53 is: 1,812,536,973.06
Step by Step Solution
- Step 1: Write the proportion equation
2,279,569,237.47 : 3,145,837,675.10 = 1,313,419,175.53 : x - Step 2: Convert to fraction form
2,279,569,237.47/3,145,837,675.10 = 1,313,419,175.53/x - Step 3: Cross multiply
2,279,569,237.47x = 3,145,837,675.10 × 1,313,419,175.53 - Step 4: Simplify right side
2,279,569,237.47x = 4,131,803,525,566,621,696 - Step 5: Solve for x
x = 4,131,803,525,566,621,696/2,279,569,237.47 - Step 6: Final answer
x = 1,812,536,973.06
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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.