Finding the Fourth Proportional to 2,190,516,177.60, 3,285,745,565.04 and 532,418,645.70
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Solution
The fourth proportional to 2,190,516,177.60, 3,285,745,565.04 and 532,418,645.70 is: 798,620,992.51
Step by Step Solution
- Step 1: Write the proportion equation
2,190,516,177.60 : 3,285,745,565.04 = 532,418,645.70 : x - Step 2: Convert to fraction form
2,190,516,177.60/3,285,745,565.04 = 532,418,645.70/x - Step 3: Cross multiply
2,190,516,177.60x = 3,285,745,565.04 × 532,418,645.70 - Step 4: Simplify right side
2,190,516,177.60x = 1,749,392,203,853,378,048 - Step 5: Solve for x
x = 1,749,392,203,853,378,048/2,190,516,177.60 - Step 6: Final answer
x = 798,620,992.51
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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.