Finding the Fourth Proportional to 7,269,043,125.19, 10,031,279,532.08 and 3,927,541,407.56
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Solution
The fourth proportional to 7,269,043,125.19, 10,031,279,532.08 and 3,927,541,407.56 is: 5,420,007,152.87
Step by Step Solution
- Step 1: Write the proportion equation
7,269,043,125.19 : 10,031,279,532.08 = 3,927,541,407.56 : x - Step 2: Convert to fraction form
7,269,043,125.19/10,031,279,532.08 = 3,927,541,407.56/x - Step 3: Cross multiply
7,269,043,125.19x = 10,031,279,532.08 × 3,927,541,407.56 - Step 4: Simplify right side
7,269,043,125.19x = 39,398,265,733,058,748,416 - Step 5: Solve for x
x = 39,398,265,733,058,748,416/7,269,043,125.19 - Step 6: Final answer
x = 5,420,007,152.87
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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.