Finding the Fourth Proportional to 901,370,593.95, 1,243,898,725.22 and 499,491,056.98
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Solution
The fourth proportional to 901,370,593.95, 1,243,898,725.22 and 499,491,056.98 is: 689,301,706.99
Step by Step Solution
- Step 1: Write the proportion equation
901,370,593.95 : 1,243,898,725.22 = 499,491,056.98 : x - Step 2: Convert to fraction form
901,370,593.95/1,243,898,725.22 = 499,491,056.98/x - Step 3: Cross multiply
901,370,593.95x = 1,243,898,725.22 × 499,491,056.98 - Step 4: Simplify right side
901,370,593.95x = 621,316,289,036,212,480 - Step 5: Solve for x
x = 621,316,289,036,212,480/901,370,593.95 - Step 6: Final answer
x = 689,301,706.99
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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.