Finding the Fourth Proportional to 2,125,765,809.60, 3,188,648,714.40 and 1,079,730,489.30
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Solution
The fourth proportional to 2,125,765,809.60, 3,188,648,714.40 and 1,079,730,489.30 is: 1,619,595,733.95
Step by Step Solution
- Step 1: Write the proportion equation
2,125,765,809.60 : 3,188,648,714.40 = 1,079,730,489.30 : x - Step 2: Convert to fraction form
2,125,765,809.60/3,188,648,714.40 = 1,079,730,489.30/x - Step 3: Cross multiply
2,125,765,809.60x = 3,188,648,714.40 × 1,079,730,489.30 - Step 4: Simplify right side
2,125,765,809.60x = 3,442,881,236,604,928,000 - Step 5: Solve for x
x = 3,442,881,236,604,928,000/2,125,765,809.60 - Step 6: Final answer
x = 1,619,595,733.95
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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.