Finding the Fourth Proportional to 827,584,968.70, 1,241,377,453.05 and 679,631,794.30
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Solution
The fourth proportional to 827,584,968.70, 1,241,377,453.05 and 679,631,794.30 is: 1,019,447,691.45
Step by Step Solution
- Step 1: Write the proportion equation
827,584,968.70 : 1,241,377,453.05 = 679,631,794.30 : x - Step 2: Convert to fraction form
827,584,968.70/1,241,377,453.05 = 679,631,794.30/x - Step 3: Cross multiply
827,584,968.70x = 1,241,377,453.05 × 679,631,794.30 - Step 4: Simplify right side
827,584,968.70x = 843,679,585,819,935,360 - Step 5: Solve for x
x = 843,679,585,819,935,360/827,584,968.70 - Step 6: Final answer
x = 1,019,447,691.45
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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.