Finding the Fourth Proportional to 4,931,485,739.58, 7,398,461,995.61 and 1,437,891,212.81
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Solution
The fourth proportional to 4,931,485,739.58, 7,398,461,995.61 and 1,437,891,212.81 is: 2,157,196,442.12
Step by Step Solution
- Step 1: Write the proportion equation
4,931,485,739.58 : 7,398,461,995.61 = 1,437,891,212.81 : x - Step 2: Convert to fraction form
4,931,485,739.58/7,398,461,995.61 = 1,437,891,212.81/x - Step 3: Cross multiply
4,931,485,739.58x = 7,398,461,995.61 × 1,437,891,212.81 - Step 4: Simplify right side
4,931,485,739.58x = 10,638,183,491,796,355,072 - Step 5: Solve for x
x = 10,638,183,491,796,355,072/4,931,485,739.58 - Step 6: Final answer
x = 2,157,196,442.12
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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.