Finding the Fourth Proportional to 1,149,428,477.60, 1,724,394,658.80 and 372,942,000.80
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Solution
The fourth proportional to 1,149,428,477.60, 1,724,394,658.80 and 372,942,000.80 is: 559,494,746.09
Step by Step Solution
- Step 1: Write the proportion equation
1,149,428,477.60 : 1,724,394,658.80 = 372,942,000.80 : x - Step 2: Convert to fraction form
1,149,428,477.60/1,724,394,658.80 = 372,942,000.80/x - Step 3: Cross multiply
1,149,428,477.60x = 1,724,394,658.80 × 372,942,000.80 - Step 4: Simplify right side
1,149,428,477.60x = 643,099,194,221,705,344 - Step 5: Solve for x
x = 643,099,194,221,705,344/1,149,428,477.60 - Step 6: Final answer
x = 559,494,746.09
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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.