Finding the Fourth Proportional to 914,275,694.66, 1,261,678,998.33 and 537,956,656.88
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Solution
The fourth proportional to 914,275,694.66, 1,261,678,998.33 and 537,956,656.88 is: 742,367,559.32
Step by Step Solution
- Step 1: Write the proportion equation
914,275,694.66 : 1,261,678,998.33 = 537,956,656.88 : x - Step 2: Convert to fraction form
914,275,694.66/1,261,678,998.33 = 537,956,656.88/x - Step 3: Cross multiply
914,275,694.66x = 1,261,678,998.33 × 537,956,656.88 - Step 4: Simplify right side
914,275,694.66x = 678,728,615,991,005,440 - Step 5: Solve for x
x = 678,728,615,991,005,440/914,275,694.66 - Step 6: Final answer
x = 742,367,559.32
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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.