Finding the Fourth Proportional to 408,929,210.19, 613,178,581.68 and 279,573,813.63
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Solution
The fourth proportional to 408,929,210.19, 613,178,581.68 and 279,573,813.63 is: 419,213,571.06
Step by Step Solution
- Step 1: Write the proportion equation
408,929,210.19 : 613,178,581.68 = 279,573,813.63 : x - Step 2: Convert to fraction form
408,929,210.19/613,178,581.68 = 279,573,813.63/x - Step 3: Cross multiply
408,929,210.19x = 613,178,581.68 × 279,573,813.63 - Step 4: Simplify right side
408,929,210.19x = 171,428,674,516,512,032 - Step 5: Solve for x
x = 171,428,674,516,512,032/408,929,210.19 - Step 6: Final answer
x = 419,213,571.06
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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.