Finding the Fourth Proportional to 1,299,229,736.65, 1,948,959,169.80 and 366,560,744.65
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Solution
The fourth proportional to 1,299,229,736.65, 1,948,959,169.80 and 366,560,744.65 is: 549,873,439.95
Step by Step Solution
- Step 1: Write the proportion equation
1,299,229,736.65 : 1,948,959,169.80 = 366,560,744.65 : x - Step 2: Convert to fraction form
1,299,229,736.65/1,948,959,169.80 = 366,560,744.65/x - Step 3: Cross multiply
1,299,229,736.65x = 1,948,959,169.80 × 366,560,744.65 - Step 4: Simplify right side
1,299,229,736.65x = 714,411,924,574,333,696 - Step 5: Solve for x
x = 714,411,924,574,333,696/1,299,229,736.65 - Step 6: Final answer
x = 549,873,439.95
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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.