Finding the Fourth Proportional to 639,763,252.84, 959,644,879.26 and 155,089,060.84
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Solution
The fourth proportional to 639,763,252.84, 959,644,879.26 and 155,089,060.84 is: 232,633,591.26
Step by Step Solution
- Step 1: Write the proportion equation
639,763,252.84 : 959,644,879.26 = 155,089,060.84 : x - Step 2: Convert to fraction form
639,763,252.84/959,644,879.26 = 155,089,060.84/x - Step 3: Cross multiply
639,763,252.84x = 959,644,879.26 × 155,089,060.84 - Step 4: Simplify right side
639,763,252.84x = 148,830,423,064,348,608 - Step 5: Solve for x
x = 148,830,423,064,348,608/639,763,252.84 - Step 6: Final answer
x = 232,633,591.26
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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.