Finding the Fourth Proportional to 2,125,821,903.20, 3,188,732,854.80 and 2,097,156,456.80
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Solution
The fourth proportional to 2,125,821,903.20, 3,188,732,854.80 and 2,097,156,456.80 is: 3,145,734,685.20
Step by Step Solution
- Step 1: Write the proportion equation
2,125,821,903.20 : 3,188,732,854.80 = 2,097,156,456.80 : x - Step 2: Convert to fraction form
2,125,821,903.20/3,188,732,854.80 = 2,097,156,456.80/x - Step 3: Cross multiply
2,125,821,903.20x = 3,188,732,854.80 × 2,097,156,456.80 - Step 4: Simplify right side
2,125,821,903.20x = 6,687,271,695,454,116,864 - Step 5: Solve for x
x = 6,687,271,695,454,116,864/2,125,821,903.20 - Step 6: Final answer
x = 3,145,734,685.20
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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.