Finding the Fourth Proportional to 403,720,687,079.35, 557,013,595,153.86 and 232,438,214,687.57
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Solution
The fourth proportional to 403,720,687,079.35, 557,013,595,153.86 and 232,438,214,687.57 is: 320,695,098,759.76
Step by Step Solution
- Step 1: Write the proportion equation
403,720,687,079.35 : 557,013,595,153.86 = 232,438,214,687.57 : x - Step 2: Convert to fraction form
403,720,687,079.35/557,013,595,153.86 = 232,438,214,687.57/x - Step 3: Cross multiply
403,720,687,079.35x = 557,013,595,153.86 × 232,438,214,687.57 - Step 4: Simplify right side
403,720,687,079.35x = 129,471,245,614,268,108,767,232 - Step 5: Solve for x
x = 129,471,245,614,268,108,767,232/403,720,687,079.35 - Step 6: Final answer
x = 320,695,098,759.76
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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.