Finding the Fourth Proportional to 415,235,176.37, 572,754,541.32 and 266,320,425.91
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Solution
The fourth proportional to 415,235,176.37, 572,754,541.32 and 266,320,425.91 is: 367,349,015.85
Step by Step Solution
- Step 1: Write the proportion equation
415,235,176.37 : 572,754,541.32 = 266,320,425.91 : x - Step 2: Convert to fraction form
415,235,176.37/572,754,541.32 = 266,320,425.91/x - Step 3: Cross multiply
415,235,176.37x = 572,754,541.32 × 266,320,425.91 - Step 4: Simplify right side
415,235,176.37x = 152,536,233,386,229,120 - Step 5: Solve for x
x = 152,536,233,386,229,120/415,235,176.37 - Step 6: Final answer
x = 367,349,015.85
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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.