Finding the Fourth Proportional to 2,165,583,922.80, 3,248,375,884.20 and 529,808,524.80
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Solution
The fourth proportional to 2,165,583,922.80, 3,248,375,884.20 and 529,808,524.80 is: 794,712,787.20
Step by Step Solution
- Step 1: Write the proportion equation
2,165,583,922.80 : 3,248,375,884.20 = 529,808,524.80 : x - Step 2: Convert to fraction form
2,165,583,922.80/3,248,375,884.20 = 529,808,524.80/x - Step 3: Cross multiply
2,165,583,922.80x = 3,248,375,884.20 × 529,808,524.80 - Step 4: Simplify right side
2,165,583,922.80x = 1,721,017,235,203,897,600 - Step 5: Solve for x
x = 1,721,017,235,203,897,600/2,165,583,922.80 - Step 6: Final answer
x = 794,712,787.20
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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.