Finding the Fourth Proportional to 1,038,331,996.62, 1,556,998,440.39 and 347,756,303.58
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Solution
The fourth proportional to 1,038,331,996.62, 1,556,998,440.39 and 347,756,303.58 is: 521,467,145.45
Step by Step Solution
- Step 1: Write the proportion equation
1,038,331,996.62 : 1,556,998,440.39 = 347,756,303.58 : x - Step 2: Convert to fraction form
1,038,331,996.62/1,556,998,440.39 = 347,756,303.58/x - Step 3: Cross multiply
1,038,331,996.62x = 1,556,998,440.39 × 347,756,303.58 - Step 4: Simplify right side
1,038,331,996.62x = 541,456,022,309,851,392 - Step 5: Solve for x
x = 541,456,022,309,851,392/1,038,331,996.62 - Step 6: Final answer
x = 521,467,145.45
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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.