Finding the Fourth Proportional to 4,221,056,715.80, 6,331,585,270.44 and 2,891,773,971.32
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Solution
The fourth proportional to 4,221,056,715.80, 6,331,585,270.44 and 2,891,773,971.32 is: 4,337,661,091.76
Step by Step Solution
- Step 1: Write the proportion equation
4,221,056,715.80 : 6,331,585,270.44 = 2,891,773,971.32 : x - Step 2: Convert to fraction form
4,221,056,715.80/6,331,585,270.44 = 2,891,773,971.32/x - Step 3: Cross multiply
4,221,056,715.80x = 6,331,585,270.44 × 2,891,773,971.32 - Step 4: Simplify right side
4,221,056,715.80x = 18,309,513,482,251,495,424 - Step 5: Solve for x
x = 18,309,513,482,251,495,424/4,221,056,715.80 - Step 6: Final answer
x = 4,337,661,091.76
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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.