Finding the Fourth Proportional to 564,251,090.97, 778,573,077.79 and 326,118,450.34
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Solution
The fourth proportional to 564,251,090.97, 778,573,077.79 and 326,118,450.34 is: 449,989,463.32
Step by Step Solution
- Step 1: Write the proportion equation
564,251,090.97 : 778,573,077.79 = 326,118,450.34 : x - Step 2: Convert to fraction form
564,251,090.97/778,573,077.79 = 326,118,450.34/x - Step 3: Cross multiply
564,251,090.97x = 778,573,077.79 × 326,118,450.34 - Step 4: Simplify right side
564,251,090.97x = 253,907,045,599,795,584 - Step 5: Solve for x
x = 253,907,045,599,795,584/564,251,090.97 - Step 6: Final answer
x = 449,989,463.32
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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.