Finding the Fourth Proportional to 5,212,232,533.73, 7,192,829,795.79 and 2,833,228,925.62
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Solution
The fourth proportional to 5,212,232,533.73, 7,192,829,795.79 and 2,833,228,925.62 is: 3,909,828,140.35
Step by Step Solution
- Step 1: Write the proportion equation
5,212,232,533.73 : 7,192,829,795.79 = 2,833,228,925.62 : x - Step 2: Convert to fraction form
5,212,232,533.73/7,192,829,795.79 = 2,833,228,925.62/x - Step 3: Cross multiply
5,212,232,533.73x = 7,192,829,795.79 × 2,833,228,925.62 - Step 4: Simplify right side
5,212,232,533.73x = 20,378,933,434,447,745,024 - Step 5: Solve for x
x = 20,378,933,434,447,745,024/5,212,232,533.73 - Step 6: Final answer
x = 3,909,828,140.35
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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.