Finding the Fourth Proportional to 1,073,857,017.99, 1,481,751,939.62 and 603,867,574.18
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Solution
The fourth proportional to 1,073,857,017.99, 1,481,751,939.62 and 603,867,574.18 is: 833,241,236.33
Step by Step Solution
- Step 1: Write the proportion equation
1,073,857,017.99 : 1,481,751,939.62 = 603,867,574.18 : x - Step 2: Convert to fraction form
1,073,857,017.99/1,481,751,939.62 = 603,867,574.18/x - Step 3: Cross multiply
1,073,857,017.99x = 1,481,751,939.62 × 603,867,574.18 - Step 4: Simplify right side
1,073,857,017.99x = 894,781,949,314,839,040 - Step 5: Solve for x
x = 894,781,949,314,839,040/1,073,857,017.99 - Step 6: Final answer
x = 833,241,236.33
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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.