Finding the Fourth Proportional to 1,302,155,825.36, 1,953,154,634.04 and 461,840,208.08
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Solution
The fourth proportional to 1,302,155,825.36, 1,953,154,634.04 and 461,840,208.08 is: 692,732,256.02
Step by Step Solution
- Step 1: Write the proportion equation
1,302,155,825.36 : 1,953,154,634.04 = 461,840,208.08 : x - Step 2: Convert to fraction form
1,302,155,825.36/1,953,154,634.04 = 461,840,208.08/x - Step 3: Cross multiply
1,302,155,825.36x = 1,953,154,634.04 × 461,840,208.08 - Step 4: Simplify right side
1,302,155,825.36x = 902,045,342,597,449,856 - Step 5: Solve for x
x = 902,045,342,597,449,856/1,302,155,825.36 - Step 6: Final answer
x = 692,732,256.02
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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.