Finding the Fourth Proportional to 307,486,177.94, 423,946,016.00 and 256,638,013.63
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Solution
The fourth proportional to 307,486,177.94, 423,946,016.00 and 256,638,013.63 is: 353,839,200.70
Step by Step Solution
- Step 1: Write the proportion equation
307,486,177.94 : 423,946,016.00 = 256,638,013.63 : x - Step 2: Convert to fraction form
307,486,177.94/423,946,016.00 = 256,638,013.63/x - Step 3: Cross multiply
307,486,177.94x = 423,946,016.00 × 256,638,013.63 - Step 4: Simplify right side
307,486,177.94x = 108,800,663,429,189,280 - Step 5: Solve for x
x = 108,800,663,429,189,280/307,486,177.94 - Step 6: Final answer
x = 353,839,200.70
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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.