Finding the Fourth Proportional to 446,461,655.13, 669,649,182.71 and 135,571,963.41
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Solution
The fourth proportional to 446,461,655.13, 669,649,182.71 and 135,571,963.41 is: 203,344,796.70
Step by Step Solution
- Step 1: Write the proportion equation
446,461,655.13 : 669,649,182.71 = 135,571,963.41 : x - Step 2: Convert to fraction form
446,461,655.13/669,649,182.71 = 135,571,963.41/x - Step 3: Cross multiply
446,461,655.13x = 669,649,182.71 × 135,571,963.41 - Step 4: Simplify right side
446,461,655.13x = 90,785,654,495,218,672 - Step 5: Solve for x
x = 90,785,654,495,218,672/446,461,655.13 - Step 6: Final answer
x = 203,344,796.70
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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.