Finding the Fourth Proportional to 299,657,808.36, 449,487,290.52 and 115,512,001.02
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Solution
The fourth proportional to 299,657,808.36, 449,487,290.52 and 115,512,001.02 is: 173,268,224.33
Step by Step Solution
- Step 1: Write the proportion equation
299,657,808.36 : 449,487,290.52 = 115,512,001.02 : x - Step 2: Convert to fraction form
299,657,808.36/449,487,290.52 = 115,512,001.02/x - Step 3: Cross multiply
299,657,808.36x = 449,487,290.52 × 115,512,001.02 - Step 4: Simplify right side
299,657,808.36x = 51,921,176,361,023,272 - Step 5: Solve for x
x = 51,921,176,361,023,272/299,657,808.36 - Step 6: Final answer
x = 173,268,224.33
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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.