Finding the Fourth Proportional to 1,439,877,729.11, 2,159,816,598.99 and 404,738,610.08
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Solution
The fourth proportional to 1,439,877,729.11, 2,159,816,598.99 and 404,738,610.08 is: 607,107,916.61
Step by Step Solution
- Step 1: Write the proportion equation
1,439,877,729.11 : 2,159,816,598.99 = 404,738,610.08 : x - Step 2: Convert to fraction form
1,439,877,729.11/2,159,816,598.99 = 404,738,610.08/x - Step 3: Cross multiply
1,439,877,729.11x = 2,159,816,598.99 × 404,738,610.08 - Step 4: Simplify right side
1,439,877,729.11x = 874,161,168,292,126,080 - Step 5: Solve for x
x = 874,161,168,292,126,080/1,439,877,729.11 - Step 6: Final answer
x = 607,107,916.61
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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.