Finding the Fourth Proportional to 2,107,408,261.26, 3,159,887,075.49 and 797,411,510.67
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Solution
The fourth proportional to 2,107,408,261.26, 3,159,887,075.49 and 797,411,510.67 is: 1,195,653,624.75
Step by Step Solution
- Step 1: Write the proportion equation
2,107,408,261.26 : 3,159,887,075.49 = 797,411,510.67 : x - Step 2: Convert to fraction form
2,107,408,261.26/3,159,887,075.49 = 797,411,510.67/x - Step 3: Cross multiply
2,107,408,261.26x = 3,159,887,075.49 × 797,411,510.67 - Step 4: Simplify right side
2,107,408,261.26x = 2,519,730,326,413,088,768 - Step 5: Solve for x
x = 2,519,730,326,413,088,768/2,107,408,261.26 - Step 6: Final answer
x = 1,195,653,624.75
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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.