Finding the Fourth Proportional to 270,865,687.32, 373,817,701.44 and 153,411,912
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Solution
The fourth proportional to 270,865,687.32, 373,817,701.44 and 153,411,912 is: 211,721,495.20
Step by Step Solution
- Step 1: Write the proportion equation
270,865,687.32 : 373,817,701.44 = 153,411,912 : x - Step 2: Convert to fraction form
270,865,687.32/373,817,701.44 = 153,411,912/x - Step 3: Cross multiply
270,865,687.32x = 373,817,701.44 × 153,411,912 - Step 4: Simplify right side
270,865,687.32x = 57,348,088,317,355,552 - Step 5: Solve for x
x = 57,348,088,317,355,552/270,865,687.32 - Step 6: Final answer
x = 211,721,495.20
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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.