Finding the Fourth Proportional to 817,242,191.44, 1,127,818,043.04 and 445,988,137.12
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Solution
The fourth proportional to 817,242,191.44, 1,127,818,043.04 and 445,988,137.12 is: 615,476,627.73
Step by Step Solution
- Step 1: Write the proportion equation
817,242,191.44 : 1,127,818,043.04 = 445,988,137.12 : x - Step 2: Convert to fraction form
817,242,191.44/1,127,818,043.04 = 445,988,137.12/x - Step 3: Cross multiply
817,242,191.44x = 1,127,818,043.04 × 445,988,137.12 - Step 4: Simplify right side
817,242,191.44x = 502,993,468,025,733,568 - Step 5: Solve for x
x = 502,993,468,025,733,568/817,242,191.44 - Step 6: Final answer
x = 615,476,627.73
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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.