Finding the Fourth Proportional to 1,470,354,138.48, 2,206,182,513.63 and 770,679,993.88
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Solution
The fourth proportional to 1,470,354,138.48, 2,206,182,513.63 and 770,679,993.88 is: 1,156,361,370.09
Step by Step Solution
- Step 1: Write the proportion equation
1,470,354,138.48 : 2,206,182,513.63 = 770,679,993.88 : x - Step 2: Convert to fraction form
1,470,354,138.48/2,206,182,513.63 = 770,679,993.88/x - Step 3: Cross multiply
1,470,354,138.48x = 2,206,182,513.63 × 770,679,993.88 - Step 4: Simplify right side
1,470,354,138.48x = 1,700,260,726,087,647,232 - Step 5: Solve for x
x = 1,700,260,726,087,647,232/1,470,354,138.48 - Step 6: Final answer
x = 1,156,361,370.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.