Finding the Fourth Proportional to 7,804,051,543.78, 10,769,563,974.71 and 4,235,758,440.46
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Solution
The fourth proportional to 7,804,051,543.78, 10,769,563,974.71 and 4,235,758,440.46 is: 5,845,331,908.69
Step by Step Solution
- Step 1: Write the proportion equation
7,804,051,543.78 : 10,769,563,974.71 = 4,235,758,440.46 : x - Step 2: Convert to fraction form
7,804,051,543.78/10,769,563,974.71 = 4,235,758,440.46/x - Step 3: Cross multiply
7,804,051,543.78x = 10,769,563,974.71 × 4,235,758,440.46 - Step 4: Simplify right side
7,804,051,543.78x = 45,617,271,505,937,612,800 - Step 5: Solve for x
x = 45,617,271,505,937,612,800/7,804,051,543.78 - Step 6: Final answer
x = 5,845,331,908.69
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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.