Finding the Fourth Proportional to 5,392,079,085.80, 8,088,118,628.70 and 4,472,993,210.60
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Solution
The fourth proportional to 5,392,079,085.80, 8,088,118,628.70 and 4,472,993,210.60 is: 6,709,489,815.90
Step by Step Solution
- Step 1: Write the proportion equation
5,392,079,085.80 : 8,088,118,628.70 = 4,472,993,210.60 : x - Step 2: Convert to fraction form
5,392,079,085.80/8,088,118,628.70 = 4,472,993,210.60/x - Step 3: Cross multiply
5,392,079,085.80x = 8,088,118,628.70 × 4,472,993,210.60 - Step 4: Simplify right side
5,392,079,085.80x = 36,178,099,712,702,484,480 - Step 5: Solve for x
x = 36,178,099,712,702,484,480/5,392,079,085.80 - Step 6: Final answer
x = 6,709,489,815.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.