Finding the Fourth Proportional to 1,720,318,905.90, 2,576,651,983.65 and 1,414,208,889.90
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Solution
The fourth proportional to 1,720,318,905.90, 2,576,651,983.65 and 1,414,208,889.90 is: 2,118,167,817.00
Step by Step Solution
- Step 1: Write the proportion equation
1,720,318,905.90 : 2,576,651,983.65 = 1,414,208,889.90 : x - Step 2: Convert to fraction form
1,720,318,905.90/2,576,651,983.65 = 1,414,208,889.90/x - Step 3: Cross multiply
1,720,318,905.90x = 2,576,651,983.65 × 1,414,208,889.90 - Step 4: Simplify right side
1,720,318,905.90x = 3,643,924,141,456,300,032 - Step 5: Solve for x
x = 3,643,924,141,456,300,032/1,720,318,905.90 - Step 6: Final answer
x = 2,118,167,817.00
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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.