Finding the Fourth Proportional to 434,535,140.53, 599,646,535.36 and 238,964,852.53
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Solution
The fourth proportional to 434,535,140.53, 599,646,535.36 and 238,964,852.53 is: 329,764,920.09
Step by Step Solution
- Step 1: Write the proportion equation
434,535,140.53 : 599,646,535.36 = 238,964,852.53 : x - Step 2: Convert to fraction form
434,535,140.53/599,646,535.36 = 238,964,852.53/x - Step 3: Cross multiply
434,535,140.53x = 599,646,535.36 × 238,964,852.53 - Step 4: Simplify right side
434,535,140.53x = 143,294,445,892,427,840 - Step 5: Solve for x
x = 143,294,445,892,427,840/434,535,140.53 - Step 6: Final answer
x = 329,764,920.09
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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.