Finding the Fourth Proportional to 1,980,170,231.51, 2,970,255,897.66 and 736,438,192.22
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Solution
The fourth proportional to 1,980,170,231.51, 2,970,255,897.66 and 736,438,192.22 is: 1,104,657,493.03
Step by Step Solution
- Step 1: Write the proportion equation
1,980,170,231.51 : 2,970,255,897.66 = 736,438,192.22 : x - Step 2: Convert to fraction form
1,980,170,231.51/2,970,255,897.66 = 736,438,192.22/x - Step 3: Cross multiply
1,980,170,231.51x = 2,970,255,897.66 × 736,438,192.22 - Step 4: Simplify right side
1,980,170,231.51x = 2,187,409,883,713,747,456 - Step 5: Solve for x
x = 2,187,409,883,713,747,456/1,980,170,231.51 - Step 6: Final answer
x = 1,104,657,493.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.