Finding the Fourth Proportional to 555,701,696.17, 767,769,098.14 and 472,944,375.05
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Solution
The fourth proportional to 555,701,696.17, 767,769,098.14 and 472,944,375.05 is: 653,429,850.59
Step by Step Solution
- Step 1: Write the proportion equation
555,701,696.17 : 767,769,098.14 = 472,944,375.05 : x - Step 2: Convert to fraction form
555,701,696.17/767,769,098.14 = 472,944,375.05/x - Step 3: Cross multiply
555,701,696.17x = 767,769,098.14 × 472,944,375.05 - Step 4: Simplify right side
555,701,696.17x = 363,112,076,299,276,800 - Step 5: Solve for x
x = 363,112,076,299,276,800/555,701,696.17 - Step 6: Final answer
x = 653,429,850.59
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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.