Finding the Fourth Proportional to 938,144,260.66, 1,294,101,197.04 and 585,107,335.84
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Solution
The fourth proportional to 938,144,260.66, 1,294,101,197.04 and 585,107,335.84 is: 807,112,653.63
Step by Step Solution
- Step 1: Write the proportion equation
938,144,260.66 : 1,294,101,197.04 = 585,107,335.84 : x - Step 2: Convert to fraction form
938,144,260.66/1,294,101,197.04 = 585,107,335.84/x - Step 3: Cross multiply
938,144,260.66x = 1,294,101,197.04 × 585,107,335.84 - Step 4: Simplify right side
938,144,260.66x = 757,188,103,707,429,376 - Step 5: Solve for x
x = 757,188,103,707,429,376/938,144,260.66 - Step 6: Final answer
x = 807,112,653.63
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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.