Finding the Fourth Proportional to 903,384,804.30, 1,355,141,975.68 and 378,225,436.92
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Solution
The fourth proportional to 903,384,804.30, 1,355,141,975.68 and 378,225,436.92 is: 567,365,272.70
Step by Step Solution
- Step 1: Write the proportion equation
903,384,804.30 : 1,355,141,975.68 = 378,225,436.92 : x - Step 2: Convert to fraction form
903,384,804.30/1,355,141,975.68 = 378,225,436.92/x - Step 3: Cross multiply
903,384,804.30x = 1,355,141,975.68 × 378,225,436.92 - Step 4: Simplify right side
903,384,804.30x = 512,549,165,840,200,064 - Step 5: Solve for x
x = 512,549,165,840,200,064/903,384,804.30 - Step 6: Final answer
x = 567,365,272.70
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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.