Finding the Fourth Proportional to 597,990,131.70, 896,985,197.55 and 587,912,435.70
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Solution
The fourth proportional to 597,990,131.70, 896,985,197.55 and 587,912,435.70 is: 881,868,653.55
Step by Step Solution
- Step 1: Write the proportion equation
597,990,131.70 : 896,985,197.55 = 587,912,435.70 : x - Step 2: Convert to fraction form
597,990,131.70/896,985,197.55 = 587,912,435.70/x - Step 3: Cross multiply
597,990,131.70x = 896,985,197.55 × 587,912,435.70 - Step 4: Simplify right side
597,990,131.70x = 527,348,752,278,466,176 - Step 5: Solve for x
x = 527,348,752,278,466,176/597,990,131.70 - Step 6: Final answer
x = 881,868,653.55
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Double scale
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1.5x scale
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.