Finding the Fourth Proportional to 1,014,865,652.80, 1,522,440,196.80 and 432,595,273.60
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Solution
The fourth proportional to 1,014,865,652.80, 1,522,440,196.80 and 432,595,273.60 is: 648,953,318.75
Step by Step Solution
- Step 1: Write the proportion equation
1,014,865,652.80 : 1,522,440,196.80 = 432,595,273.60 : x - Step 2: Convert to fraction form
1,014,865,652.80/1,522,440,196.80 = 432,595,273.60/x - Step 3: Cross multiply
1,014,865,652.80x = 1,522,440,196.80 × 432,595,273.60 - Step 4: Simplify right side
1,014,865,652.80x = 658,600,433,474,333,824 - Step 5: Solve for x
x = 658,600,433,474,333,824/1,014,865,652.80 - Step 6: Final answer
x = 648,953,318.75
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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.