Finding the Fourth Proportional to 1,073,857,015.99, 1,481,751,936.87 and 603,867,572.18
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Solution
The fourth proportional to 1,073,857,015.99, 1,481,751,936.87 and 603,867,572.18 is: 833,241,233.57
Step by Step Solution
- Step 1: Write the proportion equation
1,073,857,015.99 : 1,481,751,936.87 = 603,867,572.18 : x - Step 2: Convert to fraction form
1,073,857,015.99/1,481,751,936.87 = 603,867,572.18/x - Step 3: Cross multiply
1,073,857,015.99x = 1,481,751,936.87 × 603,867,572.18 - Step 4: Simplify right side
1,073,857,015.99x = 894,781,944,680,271,360 - Step 5: Solve for x
x = 894,781,944,680,271,360/1,073,857,015.99 - Step 6: Final answer
x = 833,241,233.57
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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.