Finding the Fourth Proportional to 1,539,648,704.70, 2,309,473,057.05 and 1,249,411,059.90
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Solution
The fourth proportional to 1,539,648,704.70, 2,309,473,057.05 and 1,249,411,059.90 is: 1,874,116,589.85
Step by Step Solution
- Step 1: Write the proportion equation
1,539,648,704.70 : 2,309,473,057.05 = 1,249,411,059.90 : x - Step 2: Convert to fraction form
1,539,648,704.70/2,309,473,057.05 = 1,249,411,059.90/x - Step 3: Cross multiply
1,539,648,704.70x = 2,309,473,057.05 × 1,249,411,059.90 - Step 4: Simplify right side
1,539,648,704.70x = 2,885,481,180,019,334,144 - Step 5: Solve for x
x = 2,885,481,180,019,334,144/1,539,648,704.70 - Step 6: Final answer
x = 1,874,116,589.85
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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.