Finding the Fourth Proportional to 3,420,688,308.82, 5,129,161,968.84 and 2,716,162,532.58
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Solution
The fourth proportional to 3,420,688,308.82, 5,129,161,968.84 and 2,716,162,532.58 is: 4,072,758,551.95
Step by Step Solution
- Step 1: Write the proportion equation
3,420,688,308.82 : 5,129,161,968.84 = 2,716,162,532.58 : x - Step 2: Convert to fraction form
3,420,688,308.82/5,129,161,968.84 = 2,716,162,532.58/x - Step 3: Cross multiply
3,420,688,308.82x = 5,129,161,968.84 × 2,716,162,532.58 - Step 4: Simplify right side
3,420,688,308.82x = 13,931,637,563,306,913,792 - Step 5: Solve for x
x = 13,931,637,563,306,913,792/3,420,688,308.82 - Step 6: Final answer
x = 4,072,758,551.95
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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.