Finding the Fourth Proportional to 4,317,138,131.80, 6,475,707,197.70 and 3,619,781,251.60
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Solution
The fourth proportional to 4,317,138,131.80, 6,475,707,197.70 and 3,619,781,251.60 is: 5,429,671,877.40
Step by Step Solution
- Step 1: Write the proportion equation
4,317,138,131.80 : 6,475,707,197.70 = 3,619,781,251.60 : x - Step 2: Convert to fraction form
4,317,138,131.80/6,475,707,197.70 = 3,619,781,251.60/x - Step 3: Cross multiply
4,317,138,131.80x = 6,475,707,197.70 × 3,619,781,251.60 - Step 4: Simplify right side
4,317,138,131.80x = 23,440,643,505,085,632,512 - Step 5: Solve for x
x = 23,440,643,505,085,632,512/4,317,138,131.80 - Step 6: Final answer
x = 5,429,671,877.40
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.