Finding the Fourth Proportional to 1,492,464,286,126.80, 2,238,920,272,607.10 and 524,202,065,382.95
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Solution
The fourth proportional to 1,492,464,286,126.80, 2,238,920,272,607.10 and 524,202,065,382.95 is: 786,381,719,172.80
Step by Step Solution
- Step 1: Write the proportion equation
1,492,464,286,126.80 : 2,238,920,272,607.10 = 524,202,065,382.95 : x - Step 2: Convert to fraction form
1,492,464,286,126.80/2,238,920,272,607.10 = 524,202,065,382.95/x - Step 3: Cross multiply
1,492,464,286,126.80x = 2,238,920,272,607.10 × 524,202,065,382.95 - Step 4: Simplify right side
1,492,464,286,126.80x = 1,173,646,631,128,399,410,626,560 - Step 5: Solve for x
x = 1,173,646,631,128,399,410,626,560/1,492,464,286,126.80 - Step 6: Final answer
x = 786,381,719,172.80
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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.