Finding the Fourth Proportional to 2,072,205,707.60, 3,107,910,430.20 and 618,230,565.20
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Solution
The fourth proportional to 2,072,205,707.60, 3,107,910,430.20 and 618,230,565.20 is: 927,227,067.66
Step by Step Solution
- Step 1: Write the proportion equation
2,072,205,707.60 : 3,107,910,430.20 = 618,230,565.20 : x - Step 2: Convert to fraction form
2,072,205,707.60/3,107,910,430.20 = 618,230,565.20/x - Step 3: Cross multiply
2,072,205,707.60x = 3,107,910,430.20 × 618,230,565.20 - Step 4: Simplify right side
2,072,205,707.60x = 1,921,405,221,853,521,152 - Step 5: Solve for x
x = 1,921,405,221,853,521,152/2,072,205,707.60 - Step 6: Final answer
x = 927,227,067.66
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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.