Finding the Fourth Proportional to 613,639,005.57, 846,571,134.18 and 453,087,763.94
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Solution
The fourth proportional to 613,639,005.57, 846,571,134.18 and 453,087,763.94 is: 625,076,011.65
Step by Step Solution
- Step 1: Write the proportion equation
613,639,005.57 : 846,571,134.18 = 453,087,763.94 : x - Step 2: Convert to fraction form
613,639,005.57/846,571,134.18 = 453,087,763.94/x - Step 3: Cross multiply
613,639,005.57x = 846,571,134.18 × 453,087,763.94 - Step 4: Simplify right side
613,639,005.57x = 383,571,022,197,533,056 - Step 5: Solve for x
x = 383,571,022,197,533,056/613,639,005.57 - Step 6: Final answer
x = 625,076,011.65
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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.