Finding the Fourth Proportional to 1,853,293,492.80, 2,557,702,746.99 and 1,049,663,940.30
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Solution
The fourth proportional to 1,853,293,492.80, 2,557,702,746.99 and 1,049,663,940.30 is: 1,448,625,570.61
Step by Step Solution
- Step 1: Write the proportion equation
1,853,293,492.80 : 2,557,702,746.99 = 1,049,663,940.30 : x - Step 2: Convert to fraction form
1,853,293,492.80/2,557,702,746.99 = 1,049,663,940.30/x - Step 3: Cross multiply
1,853,293,492.80x = 2,557,702,746.99 × 1,049,663,940.30 - Step 4: Simplify right side
1,853,293,492.80x = 2,684,728,343,521,656,832 - Step 5: Solve for x
x = 2,684,728,343,521,656,832/1,853,293,492.80 - Step 6: Final answer
x = 1,448,625,570.61
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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.