Finding the Fourth Proportional to 1,467,921,347.60, 2,201,882,021.40 and 814,886,646.80
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Solution
The fourth proportional to 1,467,921,347.60, 2,201,882,021.40 and 814,886,646.80 is: 1,222,329,970.20
Step by Step Solution
- Step 1: Write the proportion equation
1,467,921,347.60 : 2,201,882,021.40 = 814,886,646.80 : x - Step 2: Convert to fraction form
1,467,921,347.60/2,201,882,021.40 = 814,886,646.80/x - Step 3: Cross multiply
1,467,921,347.60x = 2,201,882,021.40 × 814,886,646.80 - Step 4: Simplify right side
1,467,921,347.60x = 1,794,284,257,067,851,776 - Step 5: Solve for x
x = 1,794,284,257,067,851,776/1,467,921,347.60 - Step 6: Final answer
x = 1,222,329,970.20
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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.