Finding the Fourth Proportional to 793,720,767.49, 1,095,396,013.92 and 476,192,963.01
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Solution
The fourth proportional to 793,720,767.49, 1,095,396,013.92 and 476,192,963.01 is: 657,183,098.77
Step by Step Solution
- Step 1: Write the proportion equation
793,720,767.49 : 1,095,396,013.92 = 476,192,963.01 : x - Step 2: Convert to fraction form
793,720,767.49/1,095,396,013.92 = 476,192,963.01/x - Step 3: Cross multiply
793,720,767.49x = 1,095,396,013.92 × 476,192,963.01 - Step 4: Simplify right side
793,720,767.49x = 521,619,873,537,908,032 - Step 5: Solve for x
x = 521,619,873,537,908,032/793,720,767.49 - Step 6: Final answer
x = 657,183,098.77
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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.