Finding the Fourth Proportional to 8,605,796,742.87, 11,875,878,785.90 and 4,795,480,291.11
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Solution
The fourth proportional to 8,605,796,742.87, 11,875,878,785.90 and 4,795,480,291.11 is: 6,617,695,532.32
Step by Step Solution
- Step 1: Write the proportion equation
8,605,796,742.87 : 11,875,878,785.90 = 4,795,480,291.11 : x - Step 2: Convert to fraction form
8,605,796,742.87/11,875,878,785.90 = 4,795,480,291.11/x - Step 3: Cross multiply
8,605,796,742.87x = 11,875,878,785.90 × 4,795,480,291.11 - Step 4: Simplify right side
8,605,796,742.87x = 56,950,542,657,370,824,704 - Step 5: Solve for x
x = 56,950,542,657,370,824,704/8,605,796,742.87 - Step 6: Final answer
x = 6,617,695,532.32
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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.