Finding the Fourth Proportional to 1,054,744,883.98, 1,581,963,320.62 and 307,559,874.18
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Solution
The fourth proportional to 1,054,744,883.98, 1,581,963,320.62 and 307,559,874.18 is: 461,294,903.86
Step by Step Solution
- Step 1: Write the proportion equation
1,054,744,883.98 : 1,581,963,320.62 = 307,559,874.18 : x - Step 2: Convert to fraction form
1,054,744,883.98/1,581,963,320.62 = 307,559,874.18/x - Step 3: Cross multiply
1,054,744,883.98x = 1,581,963,320.62 × 307,559,874.18 - Step 4: Simplify right side
1,054,744,883.98x = 486,548,439,851,872,000 - Step 5: Solve for x
x = 486,548,439,851,872,000/1,054,744,883.98 - Step 6: Final answer
x = 461,294,903.86
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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.