Finding the Fourth Proportional to 896,524,134.22, 1,237,207,602.30 and 494,637,862.68
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Solution
The fourth proportional to 896,524,134.22, 1,237,207,602.30 and 494,637,862.68 is: 682,602,621.31
Step by Step Solution
- Step 1: Write the proportion equation
896,524,134.22 : 1,237,207,602.30 = 494,637,862.68 : x - Step 2: Convert to fraction form
896,524,134.22/1,237,207,602.30 = 494,637,862.68/x - Step 3: Cross multiply
896,524,134.22x = 1,237,207,602.30 × 494,637,862.68 - Step 4: Simplify right side
896,524,134.22x = 611,969,724,091,239,808 - Step 5: Solve for x
x = 611,969,724,091,239,808/896,524,134.22 - Step 6: Final answer
x = 682,602,621.31
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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.