Finding the Fourth Proportional to 959,734,319.52, 1,324,433,038.18 and 519,701,171.52
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Solution
The fourth proportional to 959,734,319.52, 1,324,433,038.18 and 519,701,171.52 is: 717,187,441.92
Step by Step Solution
- Step 1: Write the proportion equation
959,734,319.52 : 1,324,433,038.18 = 519,701,171.52 : x - Step 2: Convert to fraction form
959,734,319.52/1,324,433,038.18 = 519,701,171.52/x - Step 3: Cross multiply
959,734,319.52x = 1,324,433,038.18 × 519,701,171.52 - Step 4: Simplify right side
959,734,319.52x = 688,309,401,541,938,944 - Step 5: Solve for x
x = 688,309,401,541,938,944/959,734,319.52 - Step 6: Final answer
x = 717,187,441.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.