Finding the Fourth Proportional to 771,022,359.59, 1,156,643,354.09 and 239,279,725.31
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Solution
The fourth proportional to 771,022,359.59, 1,156,643,354.09 and 239,279,725.31 is: 358,953,667.95
Step by Step Solution
- Step 1: Write the proportion equation
771,022,359.59 : 1,156,643,354.09 = 239,279,725.31 : x - Step 2: Convert to fraction form
771,022,359.59/1,156,643,354.09 = 239,279,725.31/x - Step 3: Cross multiply
771,022,359.59x = 1,156,643,354.09 × 239,279,725.31 - Step 4: Simplify right side
771,022,359.59x = 276,761,304,043,107,264 - Step 5: Solve for x
x = 276,761,304,043,107,264/771,022,359.59 - Step 6: Final answer
x = 358,953,667.95
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1.5x scale
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.