Finding the Fourth Proportional to 762,654,352, 1,143,811,277.76 and 353,657,357.44
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Solution
The fourth proportional to 762,654,352, 1,143,811,277.76 and 353,657,357.44 is: 530,407,087.88
Step by Step Solution
- Step 1: Write the proportion equation
762,654,352 : 1,143,811,277.76 = 353,657,357.44 : x - Step 2: Convert to fraction form
762,654,352/1,143,811,277.76 = 353,657,357.44/x - Step 3: Cross multiply
762,654,352x = 1,143,811,277.76 × 353,657,357.44 - Step 4: Simplify right side
762,654,352x = 404,517,273,902,671,424 - Step 5: Solve for x
x = 404,517,273,902,671,424/762,654,352 - Step 6: Final answer
x = 530,407,087.88
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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.