Finding the Fourth Proportional to 4,659,545,117.05, 6,990,299,284.47 and 1,511,513,921.13
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Solution
The fourth proportional to 4,659,545,117.05, 6,990,299,284.47 and 1,511,513,921.13 is: 2,267,589,306.66
Step by Step Solution
- Step 1: Write the proportion equation
4,659,545,117.05 : 6,990,299,284.47 = 1,511,513,921.13 : x - Step 2: Convert to fraction form
4,659,545,117.05/6,990,299,284.47 = 1,511,513,921.13/x - Step 3: Cross multiply
4,659,545,117.05x = 6,990,299,284.47 × 1,511,513,921.13 - Step 4: Simplify right side
4,659,545,117.05x = 10,565,934,681,341,485,056 - Step 5: Solve for x
x = 10,565,934,681,341,485,056/4,659,545,117.05 - Step 6: Final answer
x = 2,267,589,306.66
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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.