Finding the Fourth Proportional to 372,902,511.60, 559,353,767.40 and 295,808,137.20
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Solution
The fourth proportional to 372,902,511.60, 559,353,767.40 and 295,808,137.20 is: 443,712,205.80
Step by Step Solution
- Step 1: Write the proportion equation
372,902,511.60 : 559,353,767.40 = 295,808,137.20 : x - Step 2: Convert to fraction form
372,902,511.60/559,353,767.40 = 295,808,137.20/x - Step 3: Cross multiply
372,902,511.60x = 559,353,767.40 × 295,808,137.20 - Step 4: Simplify right side
372,902,511.60x = 165,461,395,970,396,064 - Step 5: Solve for x
x = 165,461,395,970,396,064/372,902,511.60 - Step 6: Final answer
x = 443,712,205.80
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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.