Finding the Fourth Proportional to 7,528,437,791.40, 11,290,260,853.92 and 2,485,355,264.01
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Solution
The fourth proportional to 7,528,437,791.40, 11,290,260,853.92 and 2,485,355,264.01 is: 3,727,241,962.12
Step by Step Solution
- Step 1: Write the proportion equation
7,528,437,791.40 : 11,290,260,853.92 = 2,485,355,264.01 : x - Step 2: Convert to fraction form
7,528,437,791.40/11,290,260,853.92 = 2,485,355,264.01/x - Step 3: Cross multiply
7,528,437,791.40x = 11,290,260,853.92 × 2,485,355,264.01 - Step 4: Simplify right side
7,528,437,791.40x = 28,060,309,245,336,113,152 - Step 5: Solve for x
x = 28,060,309,245,336,113,152/7,528,437,791.40 - Step 6: Final answer
x = 3,727,241,962.12
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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.