Finding the Fourth Proportional to 314,556,718.48, 471,834,671.12 and 84,525,806.72
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Solution
The fourth proportional to 314,556,718.48, 471,834,671.12 and 84,525,806.72 is: 126,788,600.82
Step by Step Solution
- Step 1: Write the proportion equation
314,556,718.48 : 471,834,671.12 = 84,525,806.72 : x - Step 2: Convert to fraction form
314,556,718.48/471,834,671.12 = 84,525,806.72/x - Step 3: Cross multiply
314,556,718.48x = 471,834,671.12 × 84,525,806.72 - Step 4: Simplify right side
314,556,718.48x = 39,882,206,214,883,888 - Step 5: Solve for x
x = 39,882,206,214,883,888/314,556,718.48 - Step 6: Final answer
x = 126,788,600.82
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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.