Finding the Fourth Proportional to 368,605,926.18, 508,672,739.32 and 201,342,123.42
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Solution
The fourth proportional to 368,605,926.18, 508,672,739.32 and 201,342,123.42 is: 277,850,251.95
Step by Step Solution
- Step 1: Write the proportion equation
368,605,926.18 : 508,672,739.32 = 201,342,123.42 : x - Step 2: Convert to fraction form
368,605,926.18/508,672,739.32 = 201,342,123.42/x - Step 3: Cross multiply
368,605,926.18x = 508,672,739.32 × 201,342,123.42 - Step 4: Simplify right side
368,605,926.18x = 102,417,249,460,556,912 - Step 5: Solve for x
x = 102,417,249,460,556,912/368,605,926.18 - Step 6: Final answer
x = 277,850,251.95
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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.