Finding the Fourth Proportional to 292,226,133,361.44, 438,032,357,702.80 and 98,321,878,874.81
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Solution
The fourth proportional to 292,226,133,361.44, 438,032,357,702.80 and 98,321,878,874.81 is: 147,379,578,690.97
Step by Step Solution
- Step 1: Write the proportion equation
292,226,133,361.44 : 438,032,357,702.80 = 98,321,878,874.81 : x - Step 2: Convert to fraction form
292,226,133,361.44/438,032,357,702.80 = 98,321,878,874.81/x - Step 3: Cross multiply
292,226,133,361.44x = 438,032,357,702.80 × 98,321,878,874.81 - Step 4: Simplify right side
292,226,133,361.44x = 43,068,164,417,299,951,910,912 - Step 5: Solve for x
x = 43,068,164,417,299,951,910,912/292,226,133,361.44 - Step 6: Final answer
x = 147,379,578,690.97
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1.5x scale
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.