Finding the Fourth Proportional to 383,869,090.70, 529,737,749.59 and 207,656,651.69
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Solution
The fourth proportional to 383,869,090.70, 529,737,749.59 and 207,656,651.69 is: 286,565,316.19
Step by Step Solution
- Step 1: Write the proportion equation
383,869,090.70 : 529,737,749.59 = 207,656,651.69 : x - Step 2: Convert to fraction form
383,869,090.70/529,737,749.59 = 207,656,651.69/x - Step 3: Cross multiply
383,869,090.70x = 529,737,749.59 × 207,656,651.69 - Step 4: Simplify right side
383,869,090.70x = 110,003,567,353,655,056 - Step 5: Solve for x
x = 110,003,567,353,655,056/383,869,090.70 - Step 6: Final answer
x = 286,565,316.19
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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.