Finding the Fourth Proportional to 388,126,755.24, 580,421,811.84 and 289,827,491.28
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Solution
The fourth proportional to 388,126,755.24, 580,421,811.84 and 289,827,491.28 is: 433,420,771.28
Step by Step Solution
- Step 1: Write the proportion equation
388,126,755.24 : 580,421,811.84 = 289,827,491.28 : x - Step 2: Convert to fraction form
388,126,755.24/580,421,811.84 = 289,827,491.28/x - Step 3: Cross multiply
388,126,755.24x = 580,421,811.84 × 289,827,491.28 - Step 4: Simplify right side
388,126,755.24x = 168,222,197,609,779,392 - Step 5: Solve for x
x = 168,222,197,609,779,392/388,126,755.24 - Step 6: Final answer
x = 433,420,771.28
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