Finding the Fourth Proportional to 776,253,408.94, 1,160,843,471.97 and 579,654,881.02
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Solution
The fourth proportional to 776,253,408.94, 1,160,843,471.97 and 579,654,881.02 is: 866,841,390.81
Step by Step Solution
- Step 1: Write the proportion equation
776,253,408.94 : 1,160,843,471.97 = 579,654,881.02 : x - Step 2: Convert to fraction form
776,253,408.94/1,160,843,471.97 = 579,654,881.02/x - Step 3: Cross multiply
776,253,408.94x = 1,160,843,471.97 × 579,654,881.02 - Step 4: Simplify right side
776,253,408.94x = 672,888,584,627,614,080 - Step 5: Solve for x
x = 672,888,584,627,614,080/776,253,408.94 - Step 6: Final answer
x = 866,841,390.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.