Finding the Fourth Proportional to 343,887,289.60, 515,899,012.56 and 98,246,015.68
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Solution
The fourth proportional to 343,887,289.60, 515,899,012.56 and 98,246,015.68 is: 147,388,472.94
Step by Step Solution
- Step 1: Write the proportion equation
343,887,289.60 : 515,899,012.56 = 98,246,015.68 : x - Step 2: Convert to fraction form
343,887,289.60/515,899,012.56 = 98,246,015.68/x - Step 3: Cross multiply
343,887,289.60x = 515,899,012.56 × 98,246,015.68 - Step 4: Simplify right side
343,887,289.60x = 50,685,022,477,266,280 - Step 5: Solve for x
x = 50,685,022,477,266,280/343,887,289.60 - Step 6: Final answer
x = 147,388,472.94
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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.