Finding the Fourth Proportional to 4,995,261,235.12, 7,489,987,527.48 and 1,890,083,359.12
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Solution
The fourth proportional to 4,995,261,235.12, 7,489,987,527.48 and 1,890,083,359.12 is: 2,834,026,113.82
Step by Step Solution
- Step 1: Write the proportion equation
4,995,261,235.12 : 7,489,987,527.48 = 1,890,083,359.12 : x - Step 2: Convert to fraction form
4,995,261,235.12/7,489,987,527.48 = 1,890,083,359.12/x - Step 3: Cross multiply
4,995,261,235.12x = 7,489,987,527.48 × 1,890,083,359.12 - Step 4: Simplify right side
4,995,261,235.12x = 14,156,700,785,706,299,392 - Step 5: Solve for x
x = 14,156,700,785,706,299,392/4,995,261,235.12 - Step 6: Final answer
x = 2,834,026,113.82
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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.