Finding the Fourth Proportional to 748,928,276.80, 1,121,202,693.60 and 533,937,428.80
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Solution
The fourth proportional to 748,928,276.80, 1,121,202,693.60 and 533,937,428.80 is: 799,345,013.31
Step by Step Solution
- Step 1: Write the proportion equation
748,928,276.80 : 1,121,202,693.60 = 533,937,428.80 : x - Step 2: Convert to fraction form
748,928,276.80/1,121,202,693.60 = 533,937,428.80/x - Step 3: Cross multiply
748,928,276.80x = 1,121,202,693.60 × 533,937,428.80 - Step 4: Simplify right side
748,928,276.80x = 598,652,083,384,418,176 - Step 5: Solve for x
x = 598,652,083,384,418,176/748,928,276.80 - Step 6: Final answer
x = 799,345,013.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.