Finding the Fourth Proportional to 372,418,720.02, 513,953,778.69 and 207,406,288.98
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Solution
The fourth proportional to 372,418,720.02, 513,953,778.69 and 207,406,288.98 is: 286,229,558.87
Step by Step Solution
- Step 1: Write the proportion equation
372,418,720.02 : 513,953,778.69 = 207,406,288.98 : x - Step 2: Convert to fraction form
372,418,720.02/513,953,778.69 = 207,406,288.98/x - Step 3: Cross multiply
372,418,720.02x = 513,953,778.69 × 207,406,288.98 - Step 4: Simplify right side
372,418,720.02x = 106,597,245,945,341,104 - Step 5: Solve for x
x = 106,597,245,945,341,104/372,418,720.02 - Step 6: Final answer
x = 286,229,558.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.