Finding the Fourth Proportional to 12,908,481,957,762, 19,366,119,077,778 and 4,638,941,452,682.70
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Solution
The fourth proportional to 12,908,481,957,762, 19,366,119,077,778 and 4,638,941,452,682.70 is: 6,959,632,655,602.31
Step by Step Solution
- Step 1: Write the proportion equation
12,908,481,957,762 : 19,366,119,077,778 = 4,638,941,452,682.70 : x - Step 2: Convert to fraction form
12,908,481,957,762/19,366,119,077,778 = 4,638,941,452,682.70/x - Step 3: Cross multiply
12,908,481,957,762x = 19,366,119,077,778 × 4,638,941,452,682.70 - Step 4: Simplify right side
12,908,481,957,762x = 89,838,292,567,493,622,294,904,832 - Step 5: Solve for x
x = 89,838,292,567,493,622,294,904,832/12,908,481,957,762 - Step 6: Final answer
x = 6,959,632,655,602.31
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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.