Finding the Fourth Proportional to 508,968,202.60, 763,676,252.70 and 236,198,564.20
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Solution
The fourth proportional to 508,968,202.60, 763,676,252.70 and 236,198,564.20 is: 354,401,774.96
Step by Step Solution
- Step 1: Write the proportion equation
508,968,202.60 : 763,676,252.70 = 236,198,564.20 : x - Step 2: Convert to fraction form
508,968,202.60/763,676,252.70 = 236,198,564.20/x - Step 3: Cross multiply
508,968,202.60x = 763,676,252.70 × 236,198,564.20 - Step 4: Simplify right side
508,968,202.60x = 180,379,234,401,376,384 - Step 5: Solve for x
x = 180,379,234,401,376,384/508,968,202.60 - Step 6: Final answer
x = 354,401,774.96
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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.