Finding the Fourth Proportional to 251,329,631.60, 376,994,447.40 and 173,845,533.80
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Solution
The fourth proportional to 251,329,631.60, 376,994,447.40 and 173,845,533.80 is: 260,768,300.70
Step by Step Solution
- Step 1: Write the proportion equation
251,329,631.60 : 376,994,447.40 = 173,845,533.80 : x - Step 2: Convert to fraction form
251,329,631.60/376,994,447.40 = 173,845,533.80/x - Step 3: Cross multiply
251,329,631.60x = 376,994,447.40 × 173,845,533.80 - Step 4: Simplify right side
251,329,631.60x = 65,538,800,947,889,024 - Step 5: Solve for x
x = 65,538,800,947,889,024/251,329,631.60 - Step 6: Final answer
x = 260,768,300.70
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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.