Finding the Fourth Proportional to 434,535,139.53, 599,646,533.99 and 238,964,851.53
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Solution
The fourth proportional to 434,535,139.53, 599,646,533.99 and 238,964,851.53 is: 329,764,918.71
Step by Step Solution
- Step 1: Write the proportion equation
434,535,139.53 : 599,646,533.99 = 238,964,851.53 : x - Step 2: Convert to fraction form
434,535,139.53/599,646,533.99 = 238,964,851.53/x - Step 3: Cross multiply
434,535,139.53x = 599,646,533.99 × 238,964,851.53 - Step 4: Simplify right side
434,535,139.53x = 143,294,444,964,204,624 - Step 5: Solve for x
x = 143,294,444,964,204,624/434,535,139.53 - Step 6: Final answer
x = 329,764,918.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.