Finding the Fourth Proportional to 938,154,861.94, 1,294,768,528.24 and 541,677,185.68
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Solution
The fourth proportional to 938,154,861.94, 1,294,768,528.24 and 541,677,185.68 is: 747,580,810.95
Step by Step Solution
- Step 1: Write the proportion equation
938,154,861.94 : 1,294,768,528.24 = 541,677,185.68 : x - Step 2: Convert to fraction form
938,154,861.94/1,294,768,528.24 = 541,677,185.68/x - Step 3: Cross multiply
938,154,861.94x = 1,294,768,528.24 × 541,677,185.68 - Step 4: Simplify right side
938,154,861.94x = 701,346,572,484,078,720 - Step 5: Solve for x
x = 701,346,572,484,078,720/938,154,861.94 - Step 6: Final answer
x = 747,580,810.95
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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.