Finding the Fourth Proportional to 351,776,232,324.75, 485,424,559,131.94 and 197,422,101,041.23
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Solution
The fourth proportional to 351,776,232,324.75, 485,424,559,131.94 and 197,422,101,041.23 is: 272,427,547,840.61
Step by Step Solution
- Step 1: Write the proportion equation
351,776,232,324.75 : 485,424,559,131.94 = 197,422,101,041.23 : x - Step 2: Convert to fraction form
351,776,232,324.75/485,424,559,131.94 = 197,422,101,041.23/x - Step 3: Cross multiply
351,776,232,324.75x = 485,424,559,131.94 × 197,422,101,041.23 - Step 4: Simplify right side
351,776,232,324.75x = 95,833,536,360,840,396,013,568 - Step 5: Solve for x
x = 95,833,536,360,840,396,013,568/351,776,232,324.75 - Step 6: Final answer
x = 272,427,547,840.61
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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.