Finding the Fourth Proportional to 615,444,995.70, 923,167,493.55 and 184,623,491.70
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Solution
The fourth proportional to 615,444,995.70, 923,167,493.55 and 184,623,491.70 is: 276,935,237.55
Step by Step Solution
- Step 1: Write the proportion equation
615,444,995.70 : 923,167,493.55 = 184,623,491.70 : x - Step 2: Convert to fraction form
615,444,995.70/923,167,493.55 = 184,623,491.70/x - Step 3: Cross multiply
615,444,995.70x = 923,167,493.55 × 184,623,491.70 - Step 4: Simplify right side
615,444,995.70x = 170,438,406,083,138,208 - Step 5: Solve for x
x = 170,438,406,083,138,208/615,444,995.70 - Step 6: Final answer
x = 276,935,237.55
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1.5x scale
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.