Finding the Fourth Proportional to 6,828,558,534.79, 9,418,193,240.83 and 5,877,532,022.13
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Solution
The fourth proportional to 6,828,558,534.79, 9,418,193,240.83 and 5,877,532,022.13 is: 8,106,503,309.82
Step by Step Solution
- Step 1: Write the proportion equation
6,828,558,534.79 : 9,418,193,240.83 = 5,877,532,022.13 : x - Step 2: Convert to fraction form
6,828,558,534.79/9,418,193,240.83 = 5,877,532,022.13/x - Step 3: Cross multiply
6,828,558,534.79x = 9,418,193,240.83 × 5,877,532,022.13 - Step 4: Simplify right side
6,828,558,534.79x = 55,355,732,363,571,953,664 - Step 5: Solve for x
x = 55,355,732,363,571,953,664/6,828,558,534.79 - Step 6: Final answer
x = 8,106,503,309.82
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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.