Finding the Fourth Proportional to 893,932,041.31, 1,233,616,427.01 and 492,037,197.28
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Solution
The fourth proportional to 893,932,041.31, 1,233,616,427.01 and 492,037,197.28 is: 679,005,943.65
Step by Step Solution
- Step 1: Write the proportion equation
893,932,041.31 : 1,233,616,427.01 = 492,037,197.28 : x - Step 2: Convert to fraction form
893,932,041.31/1,233,616,427.01 = 492,037,197.28/x - Step 3: Cross multiply
893,932,041.31x = 1,233,616,427.01 × 492,037,197.28 - Step 4: Simplify right side
893,932,041.31x = 606,985,169,264,568,064 - Step 5: Solve for x
x = 606,985,169,264,568,064/893,932,041.31 - Step 6: Final answer
x = 679,005,943.65
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Double scale
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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.