Finding the Fourth Proportional to 824,496,453.36, 1,137,812,723.06 and 448,153,926.42
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Solution
The fourth proportional to 824,496,453.36, 1,137,812,723.06 and 448,153,926.42 is: 618,456,558.90
Step by Step Solution
- Step 1: Write the proportion equation
824,496,453.36 : 1,137,812,723.06 = 448,153,926.42 : x - Step 2: Convert to fraction form
824,496,453.36/1,137,812,723.06 = 448,153,926.42/x - Step 3: Cross multiply
824,496,453.36x = 1,137,812,723.06 × 448,153,926.42 - Step 4: Simplify right side
824,496,453.36x = 509,915,239,371,997,120 - Step 5: Solve for x
x = 509,915,239,371,997,120/824,496,453.36 - Step 6: Final answer
x = 618,456,558.90
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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.