Finding the Fourth Proportional to 412,956,130.49, 569,891,207.69 and 224,796,558.95
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Solution
The fourth proportional to 412,956,130.49, 569,891,207.69 and 224,796,558.95 is: 310,225,646.27
Step by Step Solution
- Step 1: Write the proportion equation
412,956,130.49 : 569,891,207.69 = 224,796,558.95 : x - Step 2: Convert to fraction form
412,956,130.49/569,891,207.69 = 224,796,558.95/x - Step 3: Cross multiply
412,956,130.49x = 569,891,207.69 × 224,796,558.95 - Step 4: Simplify right side
412,956,130.49x = 128,109,582,460,598,320 - Step 5: Solve for x
x = 128,109,582,460,598,320/412,956,130.49 - Step 6: Final answer
x = 310,225,646.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.