Finding the Fourth Proportional to 590,979,681.70, 886,469,522.55 and 160,158,177.70
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Solution
The fourth proportional to 590,979,681.70, 886,469,522.55 and 160,158,177.70 is: 240,237,266.55
Step by Step Solution
- Step 1: Write the proportion equation
590,979,681.70 : 886,469,522.55 = 160,158,177.70 : x - Step 2: Convert to fraction form
590,979,681.70/886,469,522.55 = 160,158,177.70/x - Step 3: Cross multiply
590,979,681.70x = 886,469,522.55 × 160,158,177.70 - Step 4: Simplify right side
590,979,681.70x = 141,975,343,318,197,040 - Step 5: Solve for x
x = 141,975,343,318,197,040/590,979,681.70 - Step 6: Final answer
x = 240,237,266.55
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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.