Finding the Fourth Proportional to 467,980,800.97, 645,805,612.67 and 259,132,459.58
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Solution
The fourth proportional to 467,980,800.97, 645,805,612.67 and 259,132,459.58 is: 357,598,423.86
Step by Step Solution
- Step 1: Write the proportion equation
467,980,800.97 : 645,805,612.67 = 259,132,459.58 : x - Step 2: Convert to fraction form
467,980,800.97/645,805,612.67 = 259,132,459.58/x - Step 3: Cross multiply
467,980,800.97x = 645,805,612.67 × 259,132,459.58 - Step 4: Simplify right side
467,980,800.97x = 167,349,196,823,272,416 - Step 5: Solve for x
x = 167,349,196,823,272,416/467,980,800.97 - Step 6: Final answer
x = 357,598,423.86
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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.