Finding the Fourth Proportional to 4,721,847,207.48, 6,513,795,593.55 and 2,815,264,041.30
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Solution
The fourth proportional to 4,721,847,207.48, 6,513,795,593.55 and 2,815,264,041.30 is: 3,883,661,139.62
Step by Step Solution
- Step 1: Write the proportion equation
4,721,847,207.48 : 6,513,795,593.55 = 2,815,264,041.30 : x - Step 2: Convert to fraction form
4,721,847,207.48/6,513,795,593.55 = 2,815,264,041.30/x - Step 3: Cross multiply
4,721,847,207.48x = 6,513,795,593.55 × 2,815,264,041.30 - Step 4: Simplify right side
4,721,847,207.48x = 18,338,054,506,899,707,904 - Step 5: Solve for x
x = 18,338,054,506,899,707,904/4,721,847,207.48 - Step 6: Final answer
x = 3,883,661,139.62
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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.