Finding the Fourth Proportional to 1,417,177,691.40, 2,125,766,537.10 and 1,326,478,427.40
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Solution
The fourth proportional to 1,417,177,691.40, 2,125,766,537.10 and 1,326,478,427.40 is: 1,989,717,641.10
Step by Step Solution
- Step 1: Write the proportion equation
1,417,177,691.40 : 2,125,766,537.10 = 1,326,478,427.40 : x - Step 2: Convert to fraction form
1,417,177,691.40/2,125,766,537.10 = 1,326,478,427.40/x - Step 3: Cross multiply
1,417,177,691.40x = 2,125,766,537.10 × 1,326,478,427.40 - Step 4: Simplify right side
1,417,177,691.40x = 2,819,783,453,151,951,872 - Step 5: Solve for x
x = 2,819,783,453,151,951,872/1,417,177,691.40 - Step 6: Final answer
x = 1,989,717,641.10
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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.