Finding the Fourth Proportional to 615,951,403.08, 923,927,115.33 and 149,609,684.68
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Solution
The fourth proportional to 615,951,403.08, 923,927,115.33 and 149,609,684.68 is: 224,414,529.62
Step by Step Solution
- Step 1: Write the proportion equation
615,951,403.08 : 923,927,115.33 = 149,609,684.68 : x - Step 2: Convert to fraction form
615,951,403.08/923,927,115.33 = 149,609,684.68/x - Step 3: Cross multiply
615,951,403.08x = 923,927,115.33 × 149,609,684.68 - Step 4: Simplify right side
615,951,403.08x = 138,228,444,391,683,328 - Step 5: Solve for x
x = 138,228,444,391,683,328/615,951,403.08 - Step 6: Final answer
x = 224,414,529.62
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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.