Finding the Fourth Proportional to 1,047,181,895.62, 1,445,115,396.09 and 577,272,902.02
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Solution
The fourth proportional to 1,047,181,895.62, 1,445,115,396.09 and 577,272,902.02 is: 796,639,019.39
Step by Step Solution
- Step 1: Write the proportion equation
1,047,181,895.62 : 1,445,115,396.09 = 577,272,902.02 : x - Step 2: Convert to fraction form
1,047,181,895.62/1,445,115,396.09 = 577,272,902.02/x - Step 3: Cross multiply
1,047,181,895.62x = 1,445,115,396.09 × 577,272,902.02 - Step 4: Simplify right side
1,047,181,895.62x = 834,225,958,454,656,000 - Step 5: Solve for x
x = 834,225,958,454,656,000/1,047,181,895.62 - Step 6: Final answer
x = 796,639,019.39
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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.