Finding the Fourth Proportional to 7,440,173,997.30, 11,160,260,995.95 and 2,781,442,617.08
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Solution
The fourth proportional to 7,440,173,997.30, 11,160,260,995.95 and 2,781,442,617.08 is: 4,172,163,925.61
Step by Step Solution
- Step 1: Write the proportion equation
7,440,173,997.30 : 11,160,260,995.95 = 2,781,442,617.08 : x - Step 2: Convert to fraction form
7,440,173,997.30/11,160,260,995.95 = 2,781,442,617.08/x - Step 3: Cross multiply
7,440,173,997.30x = 11,160,260,995.95 × 2,781,442,617.08 - Step 4: Simplify right side
7,440,173,997.30x = 31,041,625,551,815,213,056 - Step 5: Solve for x
x = 31,041,625,551,815,213,056/7,440,173,997.30 - Step 6: Final answer
x = 4,172,163,925.61
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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.