Finding the Fourth Proportional to 4,692,847,151.89, 6,476,684,260.76 and 2,787,616,154.70
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Solution
The fourth proportional to 4,692,847,151.89, 6,476,684,260.76 and 2,787,616,154.70 is: 3,847,240,084.71
Step by Step Solution
- Step 1: Write the proportion equation
4,692,847,151.89 : 6,476,684,260.76 = 2,787,616,154.70 : x - Step 2: Convert to fraction form
4,692,847,151.89/6,476,684,260.76 = 2,787,616,154.70/x - Step 3: Cross multiply
4,692,847,151.89x = 6,476,684,260.76 × 2,787,616,154.70 - Step 4: Simplify right side
4,692,847,151.89x = 18,054,509,674,185,801,728 - Step 5: Solve for x
x = 18,054,509,674,185,801,728/4,692,847,151.89 - Step 6: Final answer
x = 3,847,240,084.71
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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.