Finding the Fourth Proportional to 534,995,482.80, 802,493,224.20 and 478,875,313.20
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Solution
The fourth proportional to 534,995,482.80, 802,493,224.20 and 478,875,313.20 is: 718,312,969.80
Step by Step Solution
- Step 1: Write the proportion equation
534,995,482.80 : 802,493,224.20 = 478,875,313.20 : x - Step 2: Convert to fraction form
534,995,482.80/802,493,224.20 = 478,875,313.20/x - Step 3: Cross multiply
534,995,482.80x = 802,493,224.20 × 478,875,313.20 - Step 4: Simplify right side
534,995,482.80x = 384,294,194,079,652,864 - Step 5: Solve for x
x = 384,294,194,079,652,864/534,995,482.80 - Step 6: Final answer
x = 718,312,969.80
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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.