Finding the Fourth Proportional to 2,791,662,511.17, 3,852,482,623.98 and 1,538,596,376.49
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Solution
The fourth proportional to 2,791,662,511.17, 3,852,482,623.98 and 1,538,596,376.49 is: 2,123,256,583.50
Step by Step Solution
- Step 1: Write the proportion equation
2,791,662,511.17 : 3,852,482,623.98 = 1,538,596,376.49 : x - Step 2: Convert to fraction form
2,791,662,511.17/3,852,482,623.98 = 1,538,596,376.49/x - Step 3: Cross multiply
2,791,662,511.17x = 3,852,482,623.98 × 1,538,596,376.49 - Step 4: Simplify right side
2,791,662,511.17x = 5,927,415,805,746,315,264 - Step 5: Solve for x
x = 5,927,415,805,746,315,264/2,791,662,511.17 - Step 6: Final answer
x = 2,123,256,583.50
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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.