Finding the Fourth Proportional to 9,005,043,305.99, 12,426,960,940.20 and 4,990,972,725.24
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Solution
The fourth proportional to 9,005,043,305.99, 12,426,960,940.20 and 4,990,972,725.24 is: 6,887,543,013.68
Step by Step Solution
- Step 1: Write the proportion equation
9,005,043,305.99 : 12,426,960,940.20 = 4,990,972,725.24 : x - Step 2: Convert to fraction form
9,005,043,305.99/12,426,960,940.20 = 4,990,972,725.24/x - Step 3: Cross multiply
9,005,043,305.99x = 12,426,960,940.20 × 4,990,972,725.24 - Step 4: Simplify right side
9,005,043,305.99x = 62,022,623,110,113,812,480 - Step 5: Solve for x
x = 62,022,623,110,113,812,480/9,005,043,305.99 - Step 6: Final answer
x = 6,887,543,013.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.