Finding the Fourth Proportional to 1,268,455,832.14, 1,750,508,855.18 and 732,597,542.53
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Solution
The fourth proportional to 1,268,455,832.14, 1,750,508,855.18 and 732,597,542.53 is: 1,011,007,599.15
Step by Step Solution
- Step 1: Write the proportion equation
1,268,455,832.14 : 1,750,508,855.18 = 732,597,542.53 : x - Step 2: Convert to fraction form
1,268,455,832.14/1,750,508,855.18 = 732,597,542.53/x - Step 3: Cross multiply
1,268,455,832.14x = 1,750,508,855.18 × 732,597,542.53 - Step 4: Simplify right side
1,268,455,832.14x = 1,282,418,485,475,546,624 - Step 5: Solve for x
x = 1,282,418,485,475,546,624/1,268,455,832.14 - Step 6: Final answer
x = 1,011,007,599.15
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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.