Finding the Fourth Proportional to 974,313,595.05, 1,461,470,392.58 and 664,377,203.85
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Solution
The fourth proportional to 974,313,595.05, 1,461,470,392.58 and 664,377,203.85 is: 996,565,805.78
Step by Step Solution
- Step 1: Write the proportion equation
974,313,595.05 : 1,461,470,392.58 = 664,377,203.85 : x - Step 2: Convert to fraction form
974,313,595.05/1,461,470,392.58 = 664,377,203.85/x - Step 3: Cross multiply
974,313,595.05x = 1,461,470,392.58 × 664,377,203.85 - Step 4: Simplify right side
974,313,595.05x = 970,967,612,928,540,416 - Step 5: Solve for x
x = 970,967,612,928,540,416/974,313,595.05 - Step 6: Final answer
x = 996,565,805.78
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Double scale
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Similar ratio
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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.