Finding the Fourth Proportional to 473,728,637.70, 710,592,956.55 and 166,918,781.70
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Solution
The fourth proportional to 473,728,637.70, 710,592,956.55 and 166,918,781.70 is: 250,378,172.55
Step by Step Solution
- Step 1: Write the proportion equation
473,728,637.70 : 710,592,956.55 = 166,918,781.70 : x - Step 2: Convert to fraction form
473,728,637.70/710,592,956.55 = 166,918,781.70/x - Step 3: Cross multiply
473,728,637.70x = 710,592,956.55 × 166,918,781.70 - Step 4: Simplify right side
473,728,637.70x = 118,611,310,591,927,024 - Step 5: Solve for x
x = 118,611,310,591,927,024/473,728,637.70 - Step 6: Final answer
x = 250,378,172.55
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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.