Finding the Fourth Proportional to 3,219,376,138.04, 4,829,058,179.58 and 1,008,755,084.84
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Solution
The fourth proportional to 3,219,376,138.04, 4,829,058,179.58 and 1,008,755,084.84 is: 1,513,130,738.62
Step by Step Solution
- Step 1: Write the proportion equation
3,219,376,138.04 : 4,829,058,179.58 = 1,008,755,084.84 : x - Step 2: Convert to fraction form
3,219,376,138.04/4,829,058,179.58 = 1,008,755,084.84/x - Step 3: Cross multiply
3,219,376,138.04x = 4,829,058,179.58 × 1,008,755,084.84 - Step 4: Simplify right side
3,219,376,138.04x = 4,871,336,993,639,519,232 - Step 5: Solve for x
x = 4,871,336,993,639,519,232/3,219,376,138.04 - Step 6: Final answer
x = 1,513,130,738.62
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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.