Finding the Fourth Proportional to 802,329,920.64, 1,203,577,342.56 and 277,698,164.18
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Solution
The fourth proportional to 802,329,920.64, 1,203,577,342.56 and 277,698,164.18 is: 416,575,787.43
Step by Step Solution
- Step 1: Write the proportion equation
802,329,920.64 : 1,203,577,342.56 = 277,698,164.18 : x - Step 2: Convert to fraction form
802,329,920.64/1,203,577,342.56 = 277,698,164.18/x - Step 3: Cross multiply
802,329,920.64x = 1,203,577,342.56 × 277,698,164.18 - Step 4: Simplify right side
802,329,920.64x = 334,231,218,471,537,088 - Step 5: Solve for x
x = 334,231,218,471,537,088/802,329,920.64 - Step 6: Final answer
x = 416,575,787.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.