Finding the Fourth Proportional to 5,411,190,187.20, 8,116,785,280.80 and 4,888,172,527.05
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Solution
The fourth proportional to 5,411,190,187.20, 8,116,785,280.80 and 4,888,172,527.05 is: 7,332,258,790.58
Step by Step Solution
- Step 1: Write the proportion equation
5,411,190,187.20 : 8,116,785,280.80 = 4,888,172,527.05 : x - Step 2: Convert to fraction form
5,411,190,187.20/8,116,785,280.80 = 4,888,172,527.05/x - Step 3: Cross multiply
5,411,190,187.20x = 8,116,785,280.80 × 4,888,172,527.05 - Step 4: Simplify right side
5,411,190,187.20x = 39,676,246,817,570,381,824 - Step 5: Solve for x
x = 39,676,246,817,570,381,824/5,411,190,187.20 - Step 6: Final answer
x = 7,332,258,790.58
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1.5x scale
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.