Finding the Fourth Proportional to 8,709,420,478.48, 13,064,206,323.42 and 2,813,980,345.02
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Solution
The fourth proportional to 8,709,420,478.48, 13,064,206,323.42 and 2,813,980,345.02 is: 4,220,994,945.44
Step by Step Solution
- Step 1: Write the proportion equation
8,709,420,478.48 : 13,064,206,323.42 = 2,813,980,345.02 : x - Step 2: Convert to fraction form
8,709,420,478.48/13,064,206,323.42 = 2,813,980,345.02/x - Step 3: Cross multiply
8,709,420,478.48x = 13,064,206,323.42 × 2,813,980,345.02 - Step 4: Simplify right side
8,709,420,478.48x = 36,762,419,817,389,879,296 - Step 5: Solve for x
x = 36,762,419,817,389,879,296/8,709,420,478.48 - Step 6: Final answer
x = 4,220,994,945.44
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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.