Finding the Fourth Proportional to 590,193,719.28, 881,464,112.12 and 534,750,781.37
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Solution
The fourth proportional to 590,193,719.28, 881,464,112.12 and 534,750,781.37 is: 798,659,164.45
Step by Step Solution
- Step 1: Write the proportion equation
590,193,719.28 : 881,464,112.12 = 534,750,781.37 : x - Step 2: Convert to fraction form
590,193,719.28/881,464,112.12 = 534,750,781.37/x - Step 3: Cross multiply
590,193,719.28x = 881,464,112.12 × 534,750,781.37 - Step 4: Simplify right side
590,193,719.28x = 471,363,622,702,712,832 - Step 5: Solve for x
x = 471,363,622,702,712,832/590,193,719.28 - Step 6: Final answer
x = 798,659,164.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.