Finding the Fourth Proportional to 1,242,080,589,024.80, 1,863,120,883,537.20 and 818,087,605,863.20
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Solution
The fourth proportional to 1,242,080,589,024.80, 1,863,120,883,537.20 and 818,087,605,863.20 is: 1,227,131,408,794.80
Step by Step Solution
- Step 1: Write the proportion equation
1,242,080,589,024.80 : 1,863,120,883,537.20 = 818,087,605,863.20 : x - Step 2: Convert to fraction form
1,242,080,589,024.80/1,863,120,883,537.20 = 818,087,605,863.20/x - Step 3: Cross multiply
1,242,080,589,024.80x = 1,863,120,883,537.20 × 818,087,605,863.20 - Step 4: Simplify right side
1,242,080,589,024.80x = 1,524,196,103,046,677,621,899,264 - Step 5: Solve for x
x = 1,524,196,103,046,677,621,899,264/1,242,080,589,024.80 - Step 6: Final answer
x = 1,227,131,408,794.80
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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.