Finding the Fourth Proportional to 561,104,998.20, 841,657,497.30 and 172,893,252.60
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Solution
The fourth proportional to 561,104,998.20, 841,657,497.30 and 172,893,252.60 is: 259,339,878.90
Step by Step Solution
- Step 1: Write the proportion equation
561,104,998.20 : 841,657,497.30 = 172,893,252.60 : x - Step 2: Convert to fraction form
561,104,998.20/841,657,497.30 = 172,893,252.60/x - Step 3: Cross multiply
561,104,998.20x = 841,657,497.30 × 172,893,252.60 - Step 4: Simplify right side
561,104,998.20x = 145,516,902,283,372,704 - Step 5: Solve for x
x = 145,516,902,283,372,704/561,104,998.20 - Step 6: Final answer
x = 259,339,878.90
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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.