Finding the Fourth Proportional to 1,419,038,469.80, 2,128,557,704.70 and 1,029,031,634.60
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Solution
The fourth proportional to 1,419,038,469.80, 2,128,557,704.70 and 1,029,031,634.60 is: 1,543,547,451.90
Step by Step Solution
- Step 1: Write the proportion equation
1,419,038,469.80 : 2,128,557,704.70 = 1,029,031,634.60 : x - Step 2: Convert to fraction form
1,419,038,469.80/2,128,557,704.70 = 1,029,031,634.60/x - Step 3: Cross multiply
1,419,038,469.80x = 2,128,557,704.70 × 1,029,031,634.60 - Step 4: Simplify right side
1,419,038,469.80x = 2,190,353,214,207,865,088 - Step 5: Solve for x
x = 2,190,353,214,207,865,088/1,419,038,469.80 - Step 6: Final answer
x = 1,543,547,451.90
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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.