Finding the Fourth Proportional to 932,543,782.36, 1,287,023,270.34 and 530,755,225.48
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Solution
The fourth proportional to 932,543,782.36, 1,287,023,270.34 and 530,755,225.48 is: 732,506,439.88
Step by Step Solution
- Step 1: Write the proportion equation
932,543,782.36 : 1,287,023,270.34 = 530,755,225.48 : x - Step 2: Convert to fraction form
932,543,782.36/1,287,023,270.34 = 530,755,225.48/x - Step 3: Cross multiply
932,543,782.36x = 1,287,023,270.34 × 530,755,225.48 - Step 4: Simplify right side
932,543,782.36x = 683,094,326,047,313,664 - Step 5: Solve for x
x = 683,094,326,047,313,664/932,543,782.36 - Step 6: Final answer
x = 732,506,439.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.