Finding the Fourth Proportional to 583,019,669.64, 804,567,204.36 and 318,702,739.68
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Solution
The fourth proportional to 583,019,669.64, 804,567,204.36 and 318,702,739.68 is: 439,809,813.70
Step by Step Solution
- Step 1: Write the proportion equation
583,019,669.64 : 804,567,204.36 = 318,702,739.68 : x - Step 2: Convert to fraction form
583,019,669.64/804,567,204.36 = 318,702,739.68/x - Step 3: Cross multiply
583,019,669.64x = 804,567,204.36 × 318,702,739.68 - Step 4: Simplify right side
583,019,669.64x = 256,417,772,286,210,464 - Step 5: Solve for x
x = 256,417,772,286,210,464/583,019,669.64 - Step 6: Final answer
x = 439,809,813.70
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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.