Finding the Fourth Proportional to 1,102,311,091.60, 1,651,553,449.80 and 713,934,008.80
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Solution
The fourth proportional to 1,102,311,091.60, 1,651,553,449.80 and 713,934,008.80 is: 1,069,661,898.67
Step by Step Solution
- Step 1: Write the proportion equation
1,102,311,091.60 : 1,651,553,449.80 = 713,934,008.80 : x - Step 2: Convert to fraction form
1,102,311,091.60/1,651,553,449.80 = 713,934,008.80/x - Step 3: Cross multiply
1,102,311,091.60x = 1,651,553,449.80 × 713,934,008.80 - Step 4: Simplify right side
1,102,311,091.60x = 1,179,100,175,163,183,360 - Step 5: Solve for x
x = 1,179,100,175,163,183,360/1,102,311,091.60 - Step 6: Final answer
x = 1,069,661,898.67
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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.