Finding the Fourth Proportional to 587,189,799.41, 809,569,702.35 and 480,951,840.26
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Solution
The fourth proportional to 587,189,799.41, 809,569,702.35 and 480,951,840.26 is: 663,097,415.11
Step by Step Solution
- Step 1: Write the proportion equation
587,189,799.41 : 809,569,702.35 = 480,951,840.26 : x - Step 2: Convert to fraction form
587,189,799.41/809,569,702.35 = 480,951,840.26/x - Step 3: Cross multiply
587,189,799.41x = 809,569,702.35 × 480,951,840.26 - Step 4: Simplify right side
587,189,799.41x = 389,364,038,165,996,864 - Step 5: Solve for x
x = 389,364,038,165,996,864/587,189,799.41 - Step 6: Final answer
x = 663,097,415.11
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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.