Finding the Fourth Proportional to 7,493,013,454.53, 11,239,539,342.98 and 1,896,951,140.67
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Solution
The fourth proportional to 7,493,013,454.53, 11,239,539,342.98 and 1,896,951,140.67 is: 2,845,431,561.90
Step by Step Solution
- Step 1: Write the proportion equation
7,493,013,454.53 : 11,239,539,342.98 = 1,896,951,140.67 : x - Step 2: Convert to fraction form
7,493,013,454.53/11,239,539,342.98 = 1,896,951,140.67/x - Step 3: Cross multiply
7,493,013,454.53x = 11,239,539,342.98 × 1,896,951,140.67 - Step 4: Simplify right side
7,493,013,454.53x = 21,320,856,977,271,255,040 - Step 5: Solve for x
x = 21,320,856,977,271,255,040/7,493,013,454.53 - Step 6: Final answer
x = 2,845,431,561.90
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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.