Finding the Fourth Proportional to 752,334,786.95, 1,038,097,435.67 and 434,824,599.44
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Solution
The fourth proportional to 752,334,786.95, 1,038,097,435.67 and 434,824,599.44 is: 599,985,949.71
Step by Step Solution
- Step 1: Write the proportion equation
752,334,786.95 : 1,038,097,435.67 = 434,824,599.44 : x - Step 2: Convert to fraction form
752,334,786.95/1,038,097,435.67 = 434,824,599.44/x - Step 3: Cross multiply
752,334,786.95x = 1,038,097,435.67 × 434,824,599.44 - Step 4: Simplify right side
752,334,786.95x = 451,390,301,647,139,520 - Step 5: Solve for x
x = 451,390,301,647,139,520/752,334,786.95 - Step 6: Final answer
x = 599,985,949.71
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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.