Finding the Fourth Proportional to 13,331,838,808.47, 19,983,759,558.47 and 4,485,606,484.99
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Solution
The fourth proportional to 13,331,838,808.47, 19,983,759,558.47 and 4,485,606,484.99 is: 6,723,699,765.48
Step by Step Solution
- Step 1: Write the proportion equation
13,331,838,808.47 : 19,983,759,558.47 = 4,485,606,484.99 : x - Step 2: Convert to fraction form
13,331,838,808.47/19,983,759,558.47 = 4,485,606,484.99/x - Step 3: Cross multiply
13,331,838,808.47x = 19,983,759,558.47 × 4,485,606,484.99 - Step 4: Simplify right side
13,331,838,808.47x = 89,639,281,469,937,467,392 - Step 5: Solve for x
x = 89,639,281,469,937,467,392/13,331,838,808.47 - Step 6: Final answer
x = 6,723,699,765.48
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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.