Finding the Fourth Proportional to 756,729,903.96, 1,135,604,164.50 and 265,447,822.68
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Solution
The fourth proportional to 756,729,903.96, 1,135,604,164.50 and 265,447,822.68 is: 398,350,390.69
Step by Step Solution
- Step 1: Write the proportion equation
756,729,903.96 : 1,135,604,164.50 = 265,447,822.68 : x - Step 2: Convert to fraction form
756,729,903.96/1,135,604,164.50 = 265,447,822.68/x - Step 3: Cross multiply
756,729,903.96x = 1,135,604,164.50 × 265,447,822.68 - Step 4: Simplify right side
756,729,903.96x = 301,443,652,892,865,536 - Step 5: Solve for x
x = 301,443,652,892,865,536/756,729,903.96 - Step 6: Final answer
x = 398,350,390.69
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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.