Finding the Fourth Proportional to 898,476,497.26, 1,239,961,727.00 and 496,581,600.26
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Solution
The fourth proportional to 898,476,497.26, 1,239,961,727.00 and 496,581,600.26 is: 685,318,069.58
Step by Step Solution
- Step 1: Write the proportion equation
898,476,497.26 : 1,239,961,727.00 = 496,581,600.26 : x - Step 2: Convert to fraction form
898,476,497.26/1,239,961,727.00 = 496,581,600.26/x - Step 3: Cross multiply
898,476,497.26x = 1,239,961,727.00 × 496,581,600.26 - Step 4: Simplify right side
898,476,497.26x = 615,742,178,659,154,560 - Step 5: Solve for x
x = 615,742,178,659,154,560/898,476,497.26 - Step 6: Final answer
x = 685,318,069.58
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1.5x scale
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.