Finding the Fourth Proportional to 270,490,575, 405,801,898.56 and 86,258,056.26
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Solution
The fourth proportional to 270,490,575, 405,801,898.56 and 86,258,056.26 is: 129,408,142.95
Step by Step Solution
- Step 1: Write the proportion equation
270,490,575 : 405,801,898.56 = 86,258,056.26 : x - Step 2: Convert to fraction form
270,490,575/405,801,898.56 = 86,258,056.26/x - Step 3: Cross multiply
270,490,575x = 405,801,898.56 × 86,258,056.26 - Step 4: Simplify right side
270,490,575x = 35,003,682,996,403,296 - Step 5: Solve for x
x = 35,003,682,996,403,296/270,490,575 - Step 6: Final answer
x = 129,408,142.95
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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.