Finding the Fourth Proportional to 8,209,941,655.81, 11,329,808,660.24 and 4,822,993,698.79
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Solution
The fourth proportional to 8,209,941,655.81, 11,329,808,660.24 and 4,822,993,698.79 is: 6,655,783,691.00
Step by Step Solution
- Step 1: Write the proportion equation
8,209,941,655.81 : 11,329,808,660.24 = 4,822,993,698.79 : x - Step 2: Convert to fraction form
8,209,941,655.81/11,329,808,660.24 = 4,822,993,698.79/x - Step 3: Cross multiply
8,209,941,655.81x = 11,329,808,660.24 × 4,822,993,698.79 - Step 4: Simplify right side
8,209,941,655.81x = 54,643,595,776,833,888,256 - Step 5: Solve for x
x = 54,643,595,776,833,888,256/8,209,941,655.81 - Step 6: Final answer
x = 6,655,783,691.00
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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.