Finding the Fourth Proportional to 1,057,029,806.10, 1,585,544,709.15 and 730,512,455.70
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Solution
The fourth proportional to 1,057,029,806.10, 1,585,544,709.15 and 730,512,455.70 is: 1,095,768,683.55
Step by Step Solution
- Step 1: Write the proportion equation
1,057,029,806.10 : 1,585,544,709.15 = 730,512,455.70 : x - Step 2: Convert to fraction form
1,057,029,806.10/1,585,544,709.15 = 730,512,455.70/x - Step 3: Cross multiply
1,057,029,806.10x = 1,585,544,709.15 × 730,512,455.70 - Step 4: Simplify right side
1,057,029,806.10x = 1,158,260,159,103,308,800 - Step 5: Solve for x
x = 1,158,260,159,103,308,800/1,057,029,806.10 - Step 6: Final answer
x = 1,095,768,683.55
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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.