Finding the Fourth Proportional to 832,167,114.13, 1,148,387,750.94 and 479,741,424.49
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Solution
The fourth proportional to 832,167,114.13, 1,148,387,750.94 and 479,741,424.49 is: 662,041,513.23
Step by Step Solution
- Step 1: Write the proportion equation
832,167,114.13 : 1,148,387,750.94 = 479,741,424.49 : x - Step 2: Convert to fraction form
832,167,114.13/1,148,387,750.94 = 479,741,424.49/x - Step 3: Cross multiply
832,167,114.13x = 1,148,387,750.94 × 479,741,424.49 - Step 4: Simplify right side
832,167,114.13x = 550,929,175,502,822,976 - Step 5: Solve for x
x = 550,929,175,502,822,976/832,167,114.13 - Step 6: Final answer
x = 662,041,513.23
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1.5x scale
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.