Finding the Fourth Proportional to 1,608,713,538.40, 2,414,264,701.20 and 640,060,328.80
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Solution
The fourth proportional to 1,608,713,538.40, 2,414,264,701.20 and 640,060,328.80 is: 960,565,707.68
Step by Step Solution
- Step 1: Write the proportion equation
1,608,713,538.40 : 2,414,264,701.20 = 640,060,328.80 : x - Step 2: Convert to fraction form
1,608,713,538.40/2,414,264,701.20 = 640,060,328.80/x - Step 3: Cross multiply
1,608,713,538.40x = 2,414,264,701.20 × 640,060,328.80 - Step 4: Simplify right side
1,608,713,538.40x = 1,545,275,058,460,305,408 - Step 5: Solve for x
x = 1,545,275,058,460,305,408/1,608,713,538.40 - Step 6: Final answer
x = 960,565,707.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.