Finding the Fourth Proportional to 265,939,463.18, 399,064,641.76 and 192,090,421.82
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Solution
The fourth proportional to 265,939,463.18, 399,064,641.76 and 192,090,421.82 is: 288,247,913.46
Step by Step Solution
- Step 1: Write the proportion equation
265,939,463.18 : 399,064,641.76 = 192,090,421.82 : x - Step 2: Convert to fraction form
265,939,463.18/399,064,641.76 = 192,090,421.82/x - Step 3: Cross multiply
265,939,463.18x = 399,064,641.76 × 192,090,421.82 - Step 4: Simplify right side
265,939,463.18x = 76,656,495,369,283,808 - Step 5: Solve for x
x = 76,656,495,369,283,808/265,939,463.18 - Step 6: Final answer
x = 288,247,913.46
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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.