Finding the Fourth Proportional to 7,528,437,788.66, 11,290,260,849.79 and 2,485,355,261.25
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Solution
The fourth proportional to 7,528,437,788.66, 11,290,260,849.79 and 2,485,355,261.25 is: 3,727,241,957.98
Step by Step Solution
- Step 1: Write the proportion equation
7,528,437,788.66 : 11,290,260,849.79 = 2,485,355,261.25 : x - Step 2: Convert to fraction form
7,528,437,788.66/11,290,260,849.79 = 2,485,355,261.25/x - Step 3: Cross multiply
7,528,437,788.66x = 11,290,260,849.79 × 2,485,355,261.25 - Step 4: Simplify right side
7,528,437,788.66x = 28,060,309,203,910,475,776 - Step 5: Solve for x
x = 28,060,309,203,910,475,776/7,528,437,788.66 - Step 6: Final answer
x = 3,727,241,957.98
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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.