Finding the Fourth Proportional to 7,923,688,988.17, 10,934,543,699.78 and 4,355,319,610.44
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Solution
The fourth proportional to 7,923,688,988.17, 10,934,543,699.78 and 4,355,319,610.44 is: 6,010,260,205.56
Step by Step Solution
- Step 1: Write the proportion equation
7,923,688,988.17 : 10,934,543,699.78 = 4,355,319,610.44 : x - Step 2: Convert to fraction form
7,923,688,988.17/10,934,543,699.78 = 4,355,319,610.44/x - Step 3: Cross multiply
7,923,688,988.17x = 10,934,543,699.78 × 4,355,319,610.44 - Step 4: Simplify right side
7,923,688,988.17x = 47,623,432,606,843,199,488 - Step 5: Solve for x
x = 47,623,432,606,843,199,488/7,923,688,988.17 - Step 6: Final answer
x = 6,010,260,205.56
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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.