Finding the Fourth Proportional to 283,320,555.94, 424,658,459.85 and 172,411,611.67
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Solution
The fourth proportional to 283,320,555.94, 424,658,459.85 and 172,411,611.67 is: 258,421,240.31
Step by Step Solution
- Step 1: Write the proportion equation
283,320,555.94 : 424,658,459.85 = 172,411,611.67 : x - Step 2: Convert to fraction form
283,320,555.94/424,658,459.85 = 172,411,611.67/x - Step 3: Cross multiply
283,320,555.94x = 424,658,459.85 × 172,411,611.67 - Step 4: Simplify right side
283,320,555.94x = 73,216,049,472,038,480 - Step 5: Solve for x
x = 73,216,049,472,038,480/283,320,555.94 - Step 6: Final answer
x = 258,421,240.31
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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.