Finding the Fourth Proportional to 7,784,289,218.52, 10,742,492,583.90 and 4,442,720,480.28
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Solution
The fourth proportional to 7,784,289,218.52, 10,742,492,583.90 and 4,442,720,480.28 is: 6,131,053,262.80
Step by Step Solution
- Step 1: Write the proportion equation
7,784,289,218.52 : 10,742,492,583.90 = 4,442,720,480.28 : x - Step 2: Convert to fraction form
7,784,289,218.52/10,742,492,583.90 = 4,442,720,480.28/x - Step 3: Cross multiply
7,784,289,218.52x = 10,742,492,583.90 × 4,442,720,480.28 - Step 4: Simplify right side
7,784,289,218.52x = 47,725,891,811,748,544,512 - Step 5: Solve for x
x = 47,725,891,811,748,544,512/7,784,289,218.52 - Step 6: Final answer
x = 6,131,053,262.80
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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.