Finding the Fourth Proportional to 559,177,695.20, 838,766,542.80 and 317,312,991.20
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Solution
The fourth proportional to 559,177,695.20, 838,766,542.80 and 317,312,991.20 is: 475,969,486.80
Step by Step Solution
- Step 1: Write the proportion equation
559,177,695.20 : 838,766,542.80 = 317,312,991.20 : x - Step 2: Convert to fraction form
559,177,695.20/838,766,542.80 = 317,312,991.20/x - Step 3: Cross multiply
559,177,695.20x = 838,766,542.80 × 317,312,991.20 - Step 4: Simplify right side
559,177,695.20x = 266,151,520,614,350,784 - Step 5: Solve for x
x = 266,151,520,614,350,784/559,177,695.20 - Step 6: Final answer
x = 475,969,486.80
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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.