Finding the Fourth Proportional to 320,733,295.68, 442,611,929.96 and 174,055,579.68
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Solution
The fourth proportional to 320,733,295.68, 442,611,929.96 and 174,055,579.68 is: 240,196,690.15
Step by Step Solution
- Step 1: Write the proportion equation
320,733,295.68 : 442,611,929.96 = 174,055,579.68 : x - Step 2: Convert to fraction form
320,733,295.68/442,611,929.96 = 174,055,579.68/x - Step 3: Cross multiply
320,733,295.68x = 442,611,929.96 × 174,055,579.68 - Step 4: Simplify right side
320,733,295.68x = 77,039,076,044,893,520 - Step 5: Solve for x
x = 77,039,076,044,893,520/320,733,295.68 - Step 6: Final answer
x = 240,196,690.15
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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.