Finding the Fourth Proportional to 645,958,081.80, 968,937,122.70 and 301,584,313.80
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Solution
The fourth proportional to 645,958,081.80, 968,937,122.70 and 301,584,313.80 is: 452,376,470.70
Step by Step Solution
- Step 1: Write the proportion equation
645,958,081.80 : 968,937,122.70 = 301,584,313.80 : x - Step 2: Convert to fraction form
645,958,081.80/968,937,122.70 = 301,584,313.80/x - Step 3: Cross multiply
645,958,081.80x = 968,937,122.70 × 301,584,313.80 - Step 4: Simplify right side
645,958,081.80x = 292,216,237,264,825,920 - Step 5: Solve for x
x = 292,216,237,264,825,920/645,958,081.80 - Step 6: Final answer
x = 452,376,470.70
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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.