Finding the Fourth Proportional to 1,351,539,979,079.10, 1,865,285,066,181.50 and 802,833,451,887.84
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Solution
The fourth proportional to 1,351,539,979,079.10, 1,865,285,066,181.50 and 802,833,451,887.84 is: 1,108,005,143,479.14
Step by Step Solution
- Step 1: Write the proportion equation
1,351,539,979,079.10 : 1,865,285,066,181.50 = 802,833,451,887.84 : x - Step 2: Convert to fraction form
1,351,539,979,079.10/1,865,285,066,181.50 = 802,833,451,887.84/x - Step 3: Cross multiply
1,351,539,979,079.10x = 1,865,285,066,181.50 × 802,833,451,887.84 - Step 4: Simplify right side
1,351,539,979,079.10x = 1,497,513,248,437,331,734,560,768 - Step 5: Solve for x
x = 1,497,513,248,437,331,734,560,768/1,351,539,979,079.10 - Step 6: Final answer
x = 1,108,005,143,479.14
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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.