Finding the Fourth Proportional to 3,910,363,480.20, 5,865,545,220.30 and 1,456,381,518.60
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Solution
The fourth proportional to 3,910,363,480.20, 5,865,545,220.30 and 1,456,381,518.60 is: 2,184,572,277.90
Step by Step Solution
- Step 1: Write the proportion equation
3,910,363,480.20 : 5,865,545,220.30 = 1,456,381,518.60 : x - Step 2: Convert to fraction form
3,910,363,480.20/5,865,545,220.30 = 1,456,381,518.60/x - Step 3: Cross multiply
3,910,363,480.20x = 5,865,545,220.30 × 1,456,381,518.60 - Step 4: Simplify right side
3,910,363,480.20x = 8,542,471,655,357,485,056 - Step 5: Solve for x
x = 8,542,471,655,357,485,056/3,910,363,480.20 - Step 6: Final answer
x = 2,184,572,277.90
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1.5x scale
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.