Finding the Fourth Proportional to 864,454,593.11, 1,192,947,738.20 and 467,977,583.10
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Solution
The fourth proportional to 864,454,593.11, 1,192,947,738.20 and 467,977,583.10 is: 645,809,281.07
Step by Step Solution
- Step 1: Write the proportion equation
864,454,593.11 : 1,192,947,738.20 = 467,977,583.10 : x - Step 2: Convert to fraction form
864,454,593.11/1,192,947,738.20 = 467,977,583.10/x - Step 3: Cross multiply
864,454,593.11x = 1,192,947,738.20 × 467,977,583.10 - Step 4: Simplify right side
864,454,593.11x = 558,272,799,288,617,536 - Step 5: Solve for x
x = 558,272,799,288,617,536/864,454,593.11 - Step 6: Final answer
x = 645,809,281.07
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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.