Finding the Fourth Proportional to 1,118,161,560.17, 1,543,050,380.00 and 609,513,126.98
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Solution
The fourth proportional to 1,118,161,560.17, 1,543,050,380.00 and 609,513,126.98 is: 841,121,261.63
Step by Step Solution
- Step 1: Write the proportion equation
1,118,161,560.17 : 1,543,050,380.00 = 609,513,126.98 : x - Step 2: Convert to fraction form
1,118,161,560.17/1,543,050,380.00 = 609,513,126.98/x - Step 3: Cross multiply
1,118,161,560.17x = 1,543,050,380.00 × 609,513,126.98 - Step 4: Simplify right side
1,118,161,560.17x = 940,509,462,198,429,696 - Step 5: Solve for x
x = 940,509,462,198,429,696/1,118,161,560.17 - Step 6: Final answer
x = 841,121,261.63
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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.