Finding the Fourth Proportional to 2,125,765,808.10, 3,188,648,712.15 and 1,079,730,487.80
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Solution
The fourth proportional to 2,125,765,808.10, 3,188,648,712.15 and 1,079,730,487.80 is: 1,619,595,731.70
Step by Step Solution
- Step 1: Write the proportion equation
2,125,765,808.10 : 3,188,648,712.15 = 1,079,730,487.80 : x - Step 2: Convert to fraction form
2,125,765,808.10/3,188,648,712.15 = 1,079,730,487.80/x - Step 3: Cross multiply
2,125,765,808.10x = 3,188,648,712.15 × 1,079,730,487.80 - Step 4: Simplify right side
2,125,765,808.10x = 3,442,881,229,392,561,152 - Step 5: Solve for x
x = 3,442,881,229,392,561,152/2,125,765,808.10 - Step 6: Final answer
x = 1,619,595,731.70
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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.