Finding the Fourth Proportional to 427,731,622.08, 590,253,832.80 and 232,157,135.04
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Solution
The fourth proportional to 427,731,622.08, 590,253,832.80 and 232,157,135.04 is: 320,368,267.61
Step by Step Solution
- Step 1: Write the proportion equation
427,731,622.08 : 590,253,832.80 = 232,157,135.04 : x - Step 2: Convert to fraction form
427,731,622.08/590,253,832.80 = 232,157,135.04/x - Step 3: Cross multiply
427,731,622.08x = 590,253,832.80 × 232,157,135.04 - Step 4: Simplify right side
427,731,622.08x = 137,031,638,769,227,168 - Step 5: Solve for x
x = 137,031,638,769,227,168/427,731,622.08 - Step 6: Final answer
x = 320,368,267.61
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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.