Finding the Fourth Proportional to 19,688,664,403.84, 29,536,072,516.84 and 6,420,836,847.68
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Solution
The fourth proportional to 19,688,664,403.84, 29,536,072,516.84 and 6,420,836,847.68 is: 9,632,258,382.89
Step by Step Solution
- Step 1: Write the proportion equation
19,688,664,403.84 : 29,536,072,516.84 = 6,420,836,847.68 : x - Step 2: Convert to fraction form
19,688,664,403.84/29,536,072,516.84 = 6,420,836,847.68/x - Step 3: Cross multiply
19,688,664,403.84x = 29,536,072,516.84 × 6,420,836,847.68 - Step 4: Simplify right side
19,688,664,403.84x = 189,646,302,751,874,842,624 - Step 5: Solve for x
x = 189,646,302,751,874,842,624/19,688,664,403.84 - Step 6: Final answer
x = 9,632,258,382.89
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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.