Finding the Fourth Proportional to 211,748,256,943.40, 317,622,385,415.10 and 188,606,339,733.80
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Solution
The fourth proportional to 211,748,256,943.40, 317,622,385,415.10 and 188,606,339,733.80 is: 282,909,509,600.70
Step by Step Solution
- Step 1: Write the proportion equation
211,748,256,943.40 : 317,622,385,415.10 = 188,606,339,733.80 : x - Step 2: Convert to fraction form
211,748,256,943.40/317,622,385,415.10 = 188,606,339,733.80/x - Step 3: Cross multiply
211,748,256,943.40x = 317,622,385,415.10 × 188,606,339,733.80 - Step 4: Simplify right side
211,748,256,943.40x = 59,905,595,530,660,301,242,368 - Step 5: Solve for x
x = 59,905,595,530,660,301,242,368/211,748,256,943.40 - Step 6: Final answer
x = 282,909,509,600.70
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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.