Finding the Fourth Proportional to 8,785,983,948.20, 12,125,405,590.98 and 4,976,184,588.20
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Solution
The fourth proportional to 8,785,983,948.20, 12,125,405,590.98 and 4,976,184,588.20 is: 6,867,558,236.31
Step by Step Solution
- Step 1: Write the proportion equation
8,785,983,948.20 : 12,125,405,590.98 = 4,976,184,588.20 : x - Step 2: Convert to fraction form
8,785,983,948.20/12,125,405,590.98 = 4,976,184,588.20/x - Step 3: Cross multiply
8,785,983,948.20x = 12,125,405,590.98 × 4,976,184,588.20 - Step 4: Simplify right side
8,785,983,948.20x = 60,338,256,427,508,785,152 - Step 5: Solve for x
x = 60,338,256,427,508,785,152/8,785,983,948.20 - Step 6: Final answer
x = 6,867,558,236.31
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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.