Finding the Fourth Proportional to 7,256,948,376.40, 10,887,438,103.80 and 3,118,374,552.40
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Solution
The fourth proportional to 7,256,948,376.40, 10,887,438,103.80 and 3,118,374,552.40 is: 4,678,427,923.52
Step by Step Solution
- Step 1: Write the proportion equation
7,256,948,376.40 : 10,887,438,103.80 = 3,118,374,552.40 : x - Step 2: Convert to fraction form
7,256,948,376.40/10,887,438,103.80 = 3,118,374,552.40/x - Step 3: Cross multiply
7,256,948,376.40x = 10,887,438,103.80 × 3,118,374,552.40 - Step 4: Simplify right side
7,256,948,376.40x = 33,951,109,923,720,028,160 - Step 5: Solve for x
x = 33,951,109,923,720,028,160/7,256,948,376.40 - Step 6: Final answer
x = 4,678,427,923.52
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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.