Finding the Fourth Proportional to 885,743,459,558.40, 1,328,486,194,828.80 and 257,540,201,702.40
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Solution
The fourth proportional to 885,743,459,558.40, 1,328,486,194,828.80 and 257,540,201,702.40 is: 386,272,795,901.47
Step by Step Solution
- Step 1: Write the proportion equation
885,743,459,558.40 : 1,328,486,194,828.80 = 257,540,201,702.40 : x - Step 2: Convert to fraction form
885,743,459,558.40/1,328,486,194,828.80 = 257,540,201,702.40/x - Step 3: Cross multiply
885,743,459,558.40x = 1,328,486,194,828.80 × 257,540,201,702.40 - Step 4: Simplify right side
885,743,459,558.40x = 342,138,602,575,063,028,858,880 - Step 5: Solve for x
x = 342,138,602,575,063,028,858,880/885,743,459,558.40 - Step 6: Final answer
x = 386,272,795,901.47
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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.