Finding the Fourth Proportional to 1,130,757,633.80, 1,694,876,738.70 and 440,435,457.80
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Solution
The fourth proportional to 1,130,757,633.80, 1,694,876,738.70 and 440,435,457.80 is: 660,162,522.91
Step by Step Solution
- Step 1: Write the proportion equation
1,130,757,633.80 : 1,694,876,738.70 = 440,435,457.80 : x - Step 2: Convert to fraction form
1,130,757,633.80/1,694,876,738.70 = 440,435,457.80/x - Step 3: Cross multiply
1,130,757,633.80x = 1,694,876,738.70 × 440,435,457.80 - Step 4: Simplify right side
1,130,757,633.80x = 746,483,812,323,905,536 - Step 5: Solve for x
x = 746,483,812,323,905,536/1,130,757,633.80 - Step 6: Final answer
x = 660,162,522.91
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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.