Finding the Fourth Proportional to 30,248,538,801.21, 41,746,643,938.75 and 17,215,890,164.99
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Solution
The fourth proportional to 30,248,538,801.21, 41,746,643,938.75 and 17,215,890,164.99 is: 23,760,011,732.46
Step by Step Solution
- Step 1: Write the proportion equation
30,248,538,801.21 : 41,746,643,938.75 = 17,215,890,164.99 : x - Step 2: Convert to fraction form
30,248,538,801.21/41,746,643,938.75 = 17,215,890,164.99/x - Step 3: Cross multiply
30,248,538,801.21x = 41,746,643,938.75 × 17,215,890,164.99 - Step 4: Simplify right side
30,248,538,801.21x = 718,705,636,806,465,552,384 - Step 5: Solve for x
x = 718,705,636,806,465,552,384/30,248,538,801.21 - Step 6: Final answer
x = 23,760,011,732.46
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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.