Finding the Fourth Proportional to 1,063,203,005.80, 1,594,326,211.80 and 407,936,252.80
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Solution
The fourth proportional to 1,063,203,005.80, 1,594,326,211.80 and 407,936,252.80 is: 611,720,863.31
Step by Step Solution
- Step 1: Write the proportion equation
1,063,203,005.80 : 1,594,326,211.80 = 407,936,252.80 : x - Step 2: Convert to fraction form
1,063,203,005.80/1,594,326,211.80 = 407,936,252.80/x - Step 3: Cross multiply
1,063,203,005.80x = 1,594,326,211.80 × 407,936,252.80 - Step 4: Simplify right side
1,063,203,005.80x = 650,383,460,582,511,104 - Step 5: Solve for x
x = 650,383,460,582,511,104/1,063,203,005.80 - Step 6: Final answer
x = 611,720,863.31
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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.