Finding the Fourth Proportional to 1,303,042,561,476.90, 1,798,199,028,354.20 and 717,092,407,125.55
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Solution
The fourth proportional to 1,303,042,561,476.90, 1,798,199,028,354.20 and 717,092,407,125.55 is: 989,587,683,361.48
Step by Step Solution
- Step 1: Write the proportion equation
1,303,042,561,476.90 : 1,798,199,028,354.20 = 717,092,407,125.55 : x - Step 2: Convert to fraction form
1,303,042,561,476.90/1,798,199,028,354.20 = 717,092,407,125.55/x - Step 3: Cross multiply
1,303,042,561,476.90x = 1,798,199,028,354.20 × 717,092,407,125.55 - Step 4: Simplify right side
1,303,042,561,476.90x = 1,289,474,869,733,338,409,598,976 - Step 5: Solve for x
x = 1,289,474,869,733,338,409,598,976/1,303,042,561,476.90 - Step 6: Final answer
x = 989,587,683,361.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.