Finding the Fourth Proportional to 4,088,880,151.20, 6,131,808,572.40 and 1,328,599,216.80
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Solution
The fourth proportional to 4,088,880,151.20, 6,131,808,572.40 and 1,328,599,216.80 is: 1,992,407,643.56
Step by Step Solution
- Step 1: Write the proportion equation
4,088,880,151.20 : 6,131,808,572.40 = 1,328,599,216.80 : x - Step 2: Convert to fraction form
4,088,880,151.20/6,131,808,572.40 = 1,328,599,216.80/x - Step 3: Cross multiply
4,088,880,151.20x = 6,131,808,572.40 × 1,328,599,216.80 - Step 4: Simplify right side
4,088,880,151.20x = 8,146,716,066,858,165,248 - Step 5: Solve for x
x = 8,146,716,066,858,165,248/4,088,880,151.20 - Step 6: Final answer
x = 1,992,407,643.56
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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.