Finding the Fourth Proportional to 531,829,816.80, 797,296,827.60 and 276,528,184.80
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Solution
The fourth proportional to 531,829,816.80, 797,296,827.60 and 276,528,184.80 is: 414,559,390.09
Step by Step Solution
- Step 1: Write the proportion equation
531,829,816.80 : 797,296,827.60 = 276,528,184.80 : x - Step 2: Convert to fraction form
531,829,816.80/797,296,827.60 = 276,528,184.80/x - Step 3: Cross multiply
531,829,816.80x = 797,296,827.60 × 276,528,184.80 - Step 4: Simplify right side
531,829,816.80x = 220,475,044,483,026,560 - Step 5: Solve for x
x = 220,475,044,483,026,560/531,829,816.80 - Step 6: Final answer
x = 414,559,390.09
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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.