Finding the Fourth Proportional to 1,502,567,447.41, 2,073,232,570.66 and 867,476,933.99
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Solution
The fourth proportional to 1,502,567,447.41, 2,073,232,570.66 and 867,476,933.99 is: 1,196,938,904.10
Step by Step Solution
- Step 1: Write the proportion equation
1,502,567,447.41 : 2,073,232,570.66 = 867,476,933.99 : x - Step 2: Convert to fraction form
1,502,567,447.41/2,073,232,570.66 = 867,476,933.99/x - Step 3: Cross multiply
1,502,567,447.41x = 2,073,232,570.66 × 867,476,933.99 - Step 4: Simplify right side
1,502,567,447.41x = 1,798,481,433,844,343,040 - Step 5: Solve for x
x = 1,798,481,433,844,343,040/1,502,567,447.41 - Step 6: Final answer
x = 1,196,938,904.10
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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.