Finding the Fourth Proportional to 1,036,825,497.71, 1,555,239,743.40 and 423,409,723.46
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Solution
The fourth proportional to 1,036,825,497.71, 1,555,239,743.40 and 423,409,723.46 is: 635,115,196.45
Step by Step Solution
- Step 1: Write the proportion equation
1,036,825,497.71 : 1,555,239,743.40 = 423,409,723.46 : x - Step 2: Convert to fraction form
1,036,825,497.71/1,555,239,743.40 = 423,409,723.46/x - Step 3: Cross multiply
1,036,825,497.71x = 1,555,239,743.40 × 423,409,723.46 - Step 4: Simplify right side
1,036,825,497.71x = 658,503,629,659,219,200 - Step 5: Solve for x
x = 658,503,629,659,219,200/1,036,825,497.71 - Step 6: Final answer
x = 635,115,196.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.