Finding the Fourth Proportional to 407,232,001.60, 609,952,207.20 and 361,845,044.80
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Solution
The fourth proportional to 407,232,001.60, 609,952,207.20 and 361,845,044.80 is: 541,971,610.47
Step by Step Solution
- Step 1: Write the proportion equation
407,232,001.60 : 609,952,207.20 = 361,845,044.80 : x - Step 2: Convert to fraction form
407,232,001.60/609,952,207.20 = 361,845,044.80/x - Step 3: Cross multiply
407,232,001.60x = 609,952,207.20 × 361,845,044.80 - Step 4: Simplify right side
407,232,001.60x = 220,708,183,740,142,912 - Step 5: Solve for x
x = 220,708,183,740,142,912/407,232,001.60 - Step 6: Final answer
x = 541,971,610.47
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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.