Finding the Fourth Proportional to 3,889,908,962.82, 5,831,593,753.32 and 3,151,146,825.39
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Solution
The fourth proportional to 3,889,908,962.82, 5,831,593,753.32 and 3,151,146,825.39 is: 4,724,071,518.99
Step by Step Solution
- Step 1: Write the proportion equation
3,889,908,962.82 : 5,831,593,753.32 = 3,151,146,825.39 : x - Step 2: Convert to fraction form
3,889,908,962.82/5,831,593,753.32 = 3,151,146,825.39/x - Step 3: Cross multiply
3,889,908,962.82x = 5,831,593,753.32 × 3,151,146,825.39 - Step 4: Simplify right side
3,889,908,962.82x = 18,376,208,142,738,470,912 - Step 5: Solve for x
x = 18,376,208,142,738,470,912/3,889,908,962.82 - Step 6: Final answer
x = 4,724,071,518.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.