Finding the Fourth Proportional to 1,351,539,979,073.50, 1,865,285,066,173.50 and 802,833,451,882.11
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Solution
The fourth proportional to 1,351,539,979,073.50, 1,865,285,066,173.50 and 802,833,451,882.11 is: 1,108,005,143,471.07
Step by Step Solution
- Step 1: Write the proportion equation
1,351,539,979,073.50 : 1,865,285,066,173.50 = 802,833,451,882.11 : x - Step 2: Convert to fraction form
1,351,539,979,073.50/1,865,285,066,173.50 = 802,833,451,882.11/x - Step 3: Cross multiply
1,351,539,979,073.50x = 1,865,285,066,173.50 × 802,833,451,882.11 - Step 4: Simplify right side
1,351,539,979,073.50x = 1,497,513,248,420,220,853,288,960 - Step 5: Solve for x
x = 1,497,513,248,420,220,853,288,960/1,351,539,979,073.50 - Step 6: Final answer
x = 1,108,005,143,471.07
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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.