Finding the Fourth Proportional to 1,177,538,927,465.50, 1,626,344,149,007.20 and 791,493,047,811.12
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Solution
The fourth proportional to 1,177,538,927,465.50, 1,626,344,149,007.20 and 791,493,047,811.12 is: 1,093,161,387,078.82
Step by Step Solution
- Step 1: Write the proportion equation
1,177,538,927,465.50 : 1,626,344,149,007.20 = 791,493,047,811.12 : x - Step 2: Convert to fraction form
1,177,538,927,465.50/1,626,344,149,007.20 = 791,493,047,811.12/x - Step 3: Cross multiply
1,177,538,927,465.50x = 1,626,344,149,007.20 × 791,493,047,811.12 - Step 4: Simplify right side
1,177,538,927,465.50x = 1,287,240,087,287,491,092,021,248 - Step 5: Solve for x
x = 1,287,240,087,287,491,092,021,248/1,177,538,927,465.50 - Step 6: Final answer
x = 1,093,161,387,078.82
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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.