Finding the Fourth Proportional to 402,926,840.10, 604,390,260.15 and 130,325,163.30
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Solution
The fourth proportional to 402,926,840.10, 604,390,260.15 and 130,325,163.30 is: 195,487,744.95
Step by Step Solution
- Step 1: Write the proportion equation
402,926,840.10 : 604,390,260.15 = 130,325,163.30 : x - Step 2: Convert to fraction form
402,926,840.10/604,390,260.15 = 130,325,163.30/x - Step 3: Cross multiply
402,926,840.10x = 604,390,260.15 × 130,325,163.30 - Step 4: Simplify right side
402,926,840.10x = 78,767,259,350,978,224 - Step 5: Solve for x
x = 78,767,259,350,978,224/402,926,840.10 - Step 6: Final answer
x = 195,487,744.95
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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.