Finding the Fourth Proportional to 1,156,999,713.21, 1,596,758,075.19 and 655,297,745.63
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Solution
The fourth proportional to 1,156,999,713.21, 1,596,758,075.19 and 655,297,745.63 is: 904,366,660.63
Step by Step Solution
- Step 1: Write the proportion equation
1,156,999,713.21 : 1,596,758,075.19 = 655,297,745.63 : x - Step 2: Convert to fraction form
1,156,999,713.21/1,596,758,075.19 = 655,297,745.63/x - Step 3: Cross multiply
1,156,999,713.21x = 1,596,758,075.19 × 655,297,745.63 - Step 4: Simplify right side
1,156,999,713.21x = 1,046,351,966,980,521,344 - Step 5: Solve for x
x = 1,046,351,966,980,521,344/1,156,999,713.21 - Step 6: Final answer
x = 904,366,660.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.