Finding the Fourth Proportional to 1,610,202,462.40, 2,415,303,693.60 and 690,171,803.20
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Solution
The fourth proportional to 1,610,202,462.40, 2,415,303,693.60 and 690,171,803.20 is: 1,035,257,704.80
Step by Step Solution
- Step 1: Write the proportion equation
1,610,202,462.40 : 2,415,303,693.60 = 690,171,803.20 : x - Step 2: Convert to fraction form
1,610,202,462.40/2,415,303,693.60 = 690,171,803.20/x - Step 3: Cross multiply
1,610,202,462.40x = 2,415,303,693.60 × 690,171,803.20 - Step 4: Simplify right side
1,610,202,462.40x = 1,666,974,505,487,532,288 - Step 5: Solve for x
x = 1,666,974,505,487,532,288/1,610,202,462.40 - Step 6: Final answer
x = 1,035,257,704.80
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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.