Finding the Fourth Proportional to 472,210,519.12, 651,651,385.98 and 263,380,122.10
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Solution
The fourth proportional to 472,210,519.12, 651,651,385.98 and 263,380,122.10 is: 363,465,053.52
Step by Step Solution
- Step 1: Write the proportion equation
472,210,519.12 : 651,651,385.98 = 263,380,122.10 : x - Step 2: Convert to fraction form
472,210,519.12/651,651,385.98 = 263,380,122.10/x - Step 3: Cross multiply
472,210,519.12x = 651,651,385.98 × 263,380,122.10 - Step 4: Simplify right side
472,210,519.12x = 171,632,021,606,046,624 - Step 5: Solve for x
x = 171,632,021,606,046,624/472,210,519.12 - Step 6: Final answer
x = 363,465,053.52
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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.