Finding the Fourth Proportional to 928,748,901.16, 1,393,324,905.66 and 282,499,849
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Solution
The fourth proportional to 928,748,901.16, 1,393,324,905.66 and 282,499,849 is: 423,811,080.65
Step by Step Solution
- Step 1: Write the proportion equation
928,748,901.16 : 1,393,324,905.66 = 282,499,849 : x - Step 2: Convert to fraction form
928,748,901.16/1,393,324,905.66 = 282,499,849/x - Step 3: Cross multiply
928,748,901.16x = 1,393,324,905.66 × 282,499,849 - Step 4: Simplify right side
928,748,901.16x = 393,614,075,456,889,280 - Step 5: Solve for x
x = 393,614,075,456,889,280/928,748,901.16 - Step 6: Final answer
x = 423,811,080.65
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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.