Finding the Fourth Proportional to 405,558,432.90, 608,413,382.46 and 184,245,312.15
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Solution
The fourth proportional to 405,558,432.90, 608,413,382.46 and 184,245,312.15 is: 276,402,373.80
Step by Step Solution
- Step 1: Write the proportion equation
405,558,432.90 : 608,413,382.46 = 184,245,312.15 : x - Step 2: Convert to fraction form
405,558,432.90/608,413,382.46 = 184,245,312.15/x - Step 3: Cross multiply
405,558,432.90x = 608,413,382.46 × 184,245,312.15 - Step 4: Simplify right side
405,558,432.90x = 112,097,313,567,580,048 - Step 5: Solve for x
x = 112,097,313,567,580,048/405,558,432.90 - Step 6: Final answer
x = 276,402,373.80
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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.