Finding the Fourth Proportional to 450,326,863.79, 621,130,705.52 and 413,276,787.44
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Solution
The fourth proportional to 450,326,863.79, 621,130,705.52 and 413,276,787.44 is: 570,027,957.90
Step by Step Solution
- Step 1: Write the proportion equation
450,326,863.79 : 621,130,705.52 = 413,276,787.44 : x - Step 2: Convert to fraction form
450,326,863.79/621,130,705.52 = 413,276,787.44/x - Step 3: Cross multiply
450,326,863.79x = 621,130,705.52 × 413,276,787.44 - Step 4: Simplify right side
450,326,863.79x = 256,698,902,552,474,240 - Step 5: Solve for x
x = 256,698,902,552,474,240/450,326,863.79 - Step 6: Final answer
x = 570,027,957.90
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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.