Finding the Fourth Proportional to 2,676,440,653.18, 4,014,215,693.37 and 810,642,747.79
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Solution
The fourth proportional to 2,676,440,653.18, 4,014,215,693.37 and 810,642,747.79 is: 1,215,829,252.94
Step by Step Solution
- Step 1: Write the proportion equation
2,676,440,653.18 : 4,014,215,693.37 = 810,642,747.79 : x - Step 2: Convert to fraction form
2,676,440,653.18/4,014,215,693.37 = 810,642,747.79/x - Step 3: Cross multiply
2,676,440,653.18x = 4,014,215,693.37 × 810,642,747.79 - Step 4: Simplify right side
2,676,440,653.18x = 3,254,094,839,895,196,672 - Step 5: Solve for x
x = 3,254,094,839,895,196,672/2,676,440,653.18 - Step 6: Final answer
x = 1,215,829,252.94
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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.