Finding the Fourth Proportional to 7,934,272,575.37, 11,903,130,732.93 and 2,413,387,118.05
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Solution
The fourth proportional to 7,934,272,575.37, 11,903,130,732.93 and 2,413,387,118.05 is: 3,620,604,422.45
Step by Step Solution
- Step 1: Write the proportion equation
7,934,272,575.37 : 11,903,130,732.93 = 2,413,387,118.05 : x - Step 2: Convert to fraction form
7,934,272,575.37/11,903,130,732.93 = 2,413,387,118.05/x - Step 3: Cross multiply
7,934,272,575.37x = 11,903,130,732.93 × 2,413,387,118.05 - Step 4: Simplify right side
7,934,272,575.37x = 28,726,862,375,318,319,104 - Step 5: Solve for x
x = 28,726,862,375,318,319,104/7,934,272,575.37 - Step 6: Final answer
x = 3,620,604,422.45
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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.