Finding the Fourth Proportional to 7,891,511,946.84, 10,890,285,581.16 and 4,719,695,354.64
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Solution
The fourth proportional to 7,891,511,946.84, 10,890,285,581.16 and 4,719,695,354.64 is: 6,513,179,047.86
Step by Step Solution
- Step 1: Write the proportion equation
7,891,511,946.84 : 10,890,285,581.16 = 4,719,695,354.64 : x - Step 2: Convert to fraction form
7,891,511,946.84/10,890,285,581.16 = 4,719,695,354.64/x - Step 3: Cross multiply
7,891,511,946.84x = 10,890,285,581.16 × 4,719,695,354.64 - Step 4: Simplify right side
7,891,511,946.84x = 51,398,830,268,103,827,456 - Step 5: Solve for x
x = 51,398,830,268,103,827,456/7,891,511,946.84 - Step 6: Final answer
x = 6,513,179,047.86
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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.