Finding the Fourth Proportional to 475,347,701.80, 713,021,552.70 and 245,765,189.80
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Solution
The fourth proportional to 475,347,701.80, 713,021,552.70 and 245,765,189.80 is: 368,647,784.70
Step by Step Solution
- Step 1: Write the proportion equation
475,347,701.80 : 713,021,552.70 = 245,765,189.80 : x - Step 2: Convert to fraction form
475,347,701.80/713,021,552.70 = 245,765,189.80/x - Step 3: Cross multiply
475,347,701.80x = 713,021,552.70 × 245,765,189.80 - Step 4: Simplify right side
475,347,701.80x = 175,235,877,230,806,208 - Step 5: Solve for x
x = 175,235,877,230,806,208/475,347,701.80 - Step 6: Final answer
x = 368,647,784.70
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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.