Finding the Fourth Proportional to 1,465,757,480.20, 2,198,636,220.30 and 1,236,174,968.20
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Solution
The fourth proportional to 1,465,757,480.20, 2,198,636,220.30 and 1,236,174,968.20 is: 1,854,262,452.30
Step by Step Solution
- Step 1: Write the proportion equation
1,465,757,480.20 : 2,198,636,220.30 = 1,236,174,968.20 : x - Step 2: Convert to fraction form
1,465,757,480.20/2,198,636,220.30 = 1,236,174,968.20/x - Step 3: Cross multiply
1,465,757,480.20x = 2,198,636,220.30 × 1,236,174,968.20 - Step 4: Simplify right side
1,465,757,480.20x = 2,717,899,059,712,720,896 - Step 5: Solve for x
x = 2,717,899,059,712,720,896/1,465,757,480.20 - Step 6: Final answer
x = 1,854,262,452.30
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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.