Finding the Fourth Proportional to 320,089,046.68, 441,723,332.64 and 173,411,330.68
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Solution
The fourth proportional to 320,089,046.68, 441,723,332.64 and 173,411,330.68 is: 239,307,879.17
Step by Step Solution
- Step 1: Write the proportion equation
320,089,046.68 : 441,723,332.64 = 173,411,330.68 : x - Step 2: Convert to fraction form
320,089,046.68/441,723,332.64 = 173,411,330.68/x - Step 3: Cross multiply
320,089,046.68x = 441,723,332.64 × 173,411,330.68 - Step 4: Simplify right side
320,089,046.68x = 76,599,830,905,506,672 - Step 5: Solve for x
x = 76,599,830,905,506,672/320,089,046.68 - Step 6: Final answer
x = 239,307,879.17
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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.