Finding the Fourth Proportional to 817,555,423.80, 1,226,333,135.70 and 817,555,423.80
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Solution
The fourth proportional to 817,555,423.80, 1,226,333,135.70 and 817,555,423.80 is: 1,226,333,135.70
Step by Step Solution
- Step 1: Write the proportion equation
817,555,423.80 : 1,226,333,135.70 = 817,555,423.80 : x - Step 2: Convert to fraction form
817,555,423.80/1,226,333,135.70 = 817,555,423.80/x - Step 3: Cross multiply
817,555,423.80x = 1,226,333,135.70 × 817,555,423.80 - Step 4: Simplify right side
817,555,423.80x = 1,002,595,306,477,196,416 - Step 5: Solve for x
x = 1,002,595,306,477,196,416/817,555,423.80 - Step 6: Final answer
x = 1,226,333,135.70
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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.